diff --git a/src/source.cc b/src/source.cc
index a9faacf..97413e7 100644
--- a/src/source.cc
+++ b/src/source.cc
@@ -257,6 +257,7 @@ Source::View::View(const boost::filesystem::path &file_path, const boost::filesy
   
   set_tooltip_and_dialog_events();
   
+  set_tab_width(4); //Visual size of a \t hardcoded to be equal to visual size of 4 spaces
   tab_char=Config::get().source.default_tab_char;
   tab_size=Config::get().source.default_tab_size;
   if(Config::get().source.auto_tab_char_and_size) {