diff --git a/src/config.cc b/src/config.cc
index 251cef4..2c88474 100644
--- a/src/config.cc
+++ b/src/config.cc
@@ -35,20 +35,20 @@ Config::Config() {
 
 void Config::load() {
   auto config_json = (home_juci_path/"config"/"config.json").string(); // This causes some redundant copies, but assures windows support
+  boost::property_tree::ptree cfg;
   try {
     find_or_create_config_files();
     boost::property_tree::json_parser::read_json(config_json, cfg);
-    update_config_file();
-    retrieve_config();
+    update(cfg);
+    read(cfg);
   }
   catch(const std::exception &e) {
     ::Terminal::get().print("Error: could not parse "+config_json+": "+e.what()+"\n", true);
     std::stringstream ss;
     ss << default_config_file;
     boost::property_tree::read_json(ss, cfg);
-    retrieve_config();
+    read(cfg);
   }
-  cfg.clear();
 }
 
 void Config::find_or_create_config_files() {
@@ -76,50 +76,41 @@ void Config::find_or_create_config_files() {
     filesystem::write(juci_style_path, juci_dark_blue_style);
 }
 
-void Config::retrieve_config() {
-  auto keybindings_pt = cfg.get_child("keybindings");
-  for (auto &i : keybindings_pt) {
-    menu.keys[i.first] = i.second.get_value<std::string>();
+void Config::update(boost::property_tree::ptree &cfg) {
+  boost::property_tree::ptree default_cfg;
+  bool cfg_ok=true;
+  if(cfg.get<std::string>("version")!=JUCI_VERSION) {
+    std::stringstream ss;
+    ss << default_config_file;
+    boost::property_tree::read_json(ss, default_cfg);
+    cfg_ok=false;
+    auto it_version=cfg.find("version");
+    if(it_version!=cfg.not_found()) {
+      make_version_dependent_corrections(cfg, default_cfg, it_version->second.data());
+      it_version->second.data()=JUCI_VERSION;
+    }
+    
+    auto style_path=home_juci_path/"styles";
+    filesystem::write(style_path/"juci-light.xml", juci_light_style);
+    filesystem::write(style_path/"juci-dark.xml", juci_dark_style);
+    filesystem::write(style_path/"juci-dark-blue.xml", juci_dark_blue_style);
   }
-  get_source();
+  else
+    return;
+  cfg_ok&=add_missing_nodes(cfg, default_cfg);
+  cfg_ok&=remove_deprecated_nodes(cfg, default_cfg);
+  if(!cfg_ok)
+    boost::property_tree::write_json((home_juci_path/"config"/"config.json").string(), cfg);
+}
 
-  window.theme_name=cfg.get<std::string>("gtk_theme.name");
-  window.theme_variant=cfg.get<std::string>("gtk_theme.variant");
-  window.version = cfg.get<std::string>("version");
-  window.default_size = {cfg.get<int>("default_window_size.width"), cfg.get<int>("default_window_size.height")};
-  
-  project.default_build_path=cfg.get<std::string>("project.default_build_path");
-  project.debug_build_path=cfg.get<std::string>("project.debug_build_path");
-  project.cmake.command=cfg.get<std::string>("project.cmake.command");
-  project.cmake.compile_command=cfg.get<std::string>("project.cmake.compile_command");
-  project.meson.command=cfg.get<std::string>("project.meson.command");
-  project.meson.compile_command=cfg.get<std::string>("project.meson.compile_command");
-  project.save_on_compile_or_run=cfg.get<bool>("project.save_on_compile_or_run");
-  project.clear_terminal_on_compile=cfg.get<bool>("project.clear_terminal_on_compile");
-  project.ctags_command=cfg.get<std::string>("project.ctags_command");
-  
-  terminal.history_size=cfg.get<int>("terminal.history_size");
-  terminal.font=cfg.get<std::string>("terminal.font");
-  
-  terminal.show_progress=cfg.get<bool>("terminal.show_progress");
-  
-  terminal.clang_format_command="clang-format";
-#ifdef __linux
-  if(terminal.clang_format_command=="clang-format" &&
-     !boost::filesystem::exists("/usr/bin/clang-format") && !boost::filesystem::exists("/usr/local/bin/clang-format")) {
-    auto versions={"4.0", "3.9", "3.8", "3.7", "3.6", "3.5"};
-    for(auto &version: versions) {
-      auto corrected_command=std::string("/usr/bin/clang-format-")+version;
-      if(boost::filesystem::exists(corrected_command)) {
-        terminal.clang_format_command=corrected_command;
-        break;
-      }
-    }
+void Config::make_version_dependent_corrections(boost::property_tree::ptree &cfg, const boost::property_tree::ptree &default_cfg, const std::string &version) {
+  try {
+    
   }
-#endif
+  catch(...) {}
 }
 
-bool Config::add_missing_nodes(const boost::property_tree::ptree &default_cfg, std::string parent_path) {
+bool Config::add_missing_nodes(boost::property_tree::ptree &cfg, const boost::property_tree::ptree &default_cfg, std::string parent_path) {
   if(parent_path.size()>0)
     parent_path+=".";
   bool unchanged=true;
@@ -132,104 +123,65 @@ bool Config::add_missing_nodes(const boost::property_tree::ptree &default_cfg, s
       cfg.add(path, node.second.data());
       unchanged=false;
     }
-    unchanged&=add_missing_nodes(node.second, path);
+    unchanged&=add_missing_nodes(cfg, node.second, path);
   }
   return unchanged;
 }
 
-bool Config::remove_deprecated_nodes(const boost::property_tree::ptree &default_cfg, boost::property_tree::ptree &config_cfg, std::string parent_path) {
+bool Config::remove_deprecated_nodes(boost::property_tree::ptree &cfg, const boost::property_tree::ptree &default_cfg, std::string parent_path) {
   if(parent_path.size()>0)
     parent_path+=".";
   bool unchanged=true;
-  for(auto it=config_cfg.begin();it!=config_cfg.end();) {
+  for(auto it=cfg.begin();it!=cfg.end();) {
     auto path=parent_path+it->first;
     try {
       default_cfg.get<std::string>(path);
-      unchanged&=remove_deprecated_nodes(default_cfg, it->second, path);
+      unchanged&=remove_deprecated_nodes(it->second, default_cfg, path);
       ++it;
     }
     catch(const std::exception &e) {
-      it=config_cfg.erase(it);
+      it=cfg.erase(it);
       unchanged=false;
     }
   }
   return unchanged;
 }
 
-void Config::update_config_file() {
-  boost::property_tree::ptree default_cfg;
-  bool cfg_ok=true;
-  try {
-    if(cfg.get<std::string>("version")!=JUCI_VERSION) {
-      std::stringstream ss;
-      ss << default_config_file;
-      boost::property_tree::read_json(ss, default_cfg);
-      cfg_ok=false;
-      if(cfg.count("version")>0)
-        cfg.find("version")->second.data()=default_cfg.get<std::string>("version");
-      
-      auto style_path=home_juci_path/"styles";
-      filesystem::write(style_path/"juci-light.xml", juci_light_style);
-      filesystem::write(style_path/"juci-dark.xml", juci_dark_style);
-      filesystem::write(style_path/"juci-dark-blue.xml", juci_dark_blue_style);
-    }
-    else
-      return;
-  }
-  catch(const std::exception &e) {
-    std::cerr << "Error reading json-file: " << e.what() << std::endl;
-    cfg_ok=false;
+void Config::read(const boost::property_tree::ptree &cfg) {
+  auto keybindings_pt = cfg.get_child("keybindings");
+  for (auto &i : keybindings_pt) {
+    menu.keys[i.first] = i.second.get_value<std::string>();
   }
-  cfg_ok&=add_missing_nodes(default_cfg);
-  cfg_ok&=remove_deprecated_nodes(default_cfg, cfg);
-  if(!cfg_ok)
-    boost::property_tree::write_json((home_juci_path/"config"/"config.json").string(), cfg);
-}
-
-void Config::get_source() {
+  
   auto source_json = cfg.get_child("source");
-
   source.style=source_json.get<std::string>("style");
   source.font=source_json.get<std::string>("font");
-
   source.cleanup_whitespace_characters=source_json.get<bool>("cleanup_whitespace_characters");
   source.show_whitespace_characters=source_json.get<std::string>("show_whitespace_characters");
-  
   source.format_style_on_save=source_json.get<bool>("format_style_on_save");
-  
   source.smart_brackets=source_json.get<bool>("smart_brackets");
   source.smart_inserts=source_json.get<bool>("smart_inserts");
   if(source.smart_inserts)
     source.smart_brackets=true;
-
   source.show_map = source_json.get<bool>("show_map");
   source.map_font_size = source_json.get<std::string>("map_font_size");
-  
   source.show_git_diff = source_json.get<bool>("show_git_diff");
-  
   source.show_background_pattern = source_json.get<bool>("show_background_pattern");
-
   source.spellcheck_language = source_json.get<std::string>("spellcheck_language");
-
   source.default_tab_char = source_json.get<char>("default_tab_char");
   source.default_tab_size = source_json.get<unsigned>("default_tab_size");
   source.auto_tab_char_and_size = source_json.get<bool>("auto_tab_char_and_size");
   source.tab_indents_line = source_json.get<bool>("tab_indents_line");
-
   source.wrap_lines = source_json.get<bool>("wrap_lines");
-
   source.highlight_current_line = source_json.get<bool>("highlight_current_line");
   source.show_line_numbers = source_json.get<bool>("show_line_numbers");
-
   for (auto &i : source_json.get_child("clang_types")) {
     try {
       source.clang_types[std::stoi(i.first)] = i.second.get_value<std::string>();
     }
     catch(const std::exception &) {}
-  }
-  
+  }  
   source.clang_format_style = source_json.get<std::string>("clang_format_style");
-  
   auto pt_doc_search=cfg.get_child("documentation_searches");
   for(auto &pt_doc_search_lang: pt_doc_search) {
     source.documentation_searches[pt_doc_search_lang.first].separator=pt_doc_search_lang.second.get<std::string>("separator");
@@ -238,4 +190,39 @@ void Config::get_source() {
       queries[i.first]=i.second.get_value<std::string>();
     }
   }
+
+  window.theme_name=cfg.get<std::string>("gtk_theme.name");
+  window.theme_variant=cfg.get<std::string>("gtk_theme.variant");
+  window.version = cfg.get<std::string>("version");
+  window.default_size = {cfg.get<int>("default_window_size.width"), cfg.get<int>("default_window_size.height")};
+  
+  project.default_build_path=cfg.get<std::string>("project.default_build_path");
+  project.debug_build_path=cfg.get<std::string>("project.debug_build_path");
+  project.cmake.command=cfg.get<std::string>("project.cmake.command");
+  project.cmake.compile_command=cfg.get<std::string>("project.cmake.compile_command");
+  project.meson.command=cfg.get<std::string>("project.meson.command");
+  project.meson.compile_command=cfg.get<std::string>("project.meson.compile_command");
+  project.save_on_compile_or_run=cfg.get<bool>("project.save_on_compile_or_run");
+  project.clear_terminal_on_compile=cfg.get<bool>("project.clear_terminal_on_compile");
+  project.ctags_command=cfg.get<std::string>("project.ctags_command");
+  
+  terminal.history_size=cfg.get<int>("terminal.history_size");
+  terminal.font=cfg.get<std::string>("terminal.font");
+  
+  terminal.show_progress=cfg.get<bool>("terminal.show_progress");
+  
+  terminal.clang_format_command="clang-format";
+#ifdef __linux
+  if(terminal.clang_format_command=="clang-format" &&
+     !boost::filesystem::exists("/usr/bin/clang-format") && !boost::filesystem::exists("/usr/local/bin/clang-format")) {
+    auto versions={"4.0", "3.9", "3.8", "3.7", "3.6", "3.5"};
+    for(auto &version: versions) {
+      auto corrected_command=std::string("/usr/bin/clang-format-")+version;
+      if(boost::filesystem::exists(corrected_command)) {
+        terminal.clang_format_command=corrected_command;
+        break;
+      }
+    }
+  }
+#endif
 }
diff --git a/src/config.h b/src/config.h
index 581e566..de64884 100644
--- a/src/config.h
+++ b/src/config.h
@@ -114,12 +114,10 @@ public:
 
 private:
   void find_or_create_config_files();
-  void retrieve_config();
-  bool add_missing_nodes(const boost::property_tree::ptree &default_cfg, std::string parent_path="");
-  bool remove_deprecated_nodes(const boost::property_tree::ptree &default_cfg, boost::property_tree::ptree &config_cfg, std::string parent_path="");
-  void update_config_file();
-  void get_source();
-
-  boost::property_tree::ptree cfg;
+  void update(boost::property_tree::ptree &cfg);
+  void make_version_dependent_corrections(boost::property_tree::ptree &cfg, const boost::property_tree::ptree &default_cfg, const std::string &version);
+  bool add_missing_nodes(boost::property_tree::ptree &cfg, const boost::property_tree::ptree &default_cfg, std::string parent_path="");
+  bool remove_deprecated_nodes(boost::property_tree::ptree &cfg, const boost::property_tree::ptree &default_cfg, std::string parent_path="");
+  void read(const boost::property_tree::ptree &cfg);
 };
 #endif