diff --git a/src/entrybox.cpp b/src/entrybox.cpp
index 7320f23..3fa0b4f 100644
--- a/src/entrybox.cpp
+++ b/src/entrybox.cpp
@@ -2,9 +2,8 @@
 
 std::unordered_map<std::string, std::vector<std::string>> EntryBox::entry_histories;
 
-EntryBox::Entry::Entry(const std::string &content, std::function<void(const std::string &content)> on_activate_, unsigned width_chars) : Gtk::Entry(), on_activate(std::move(on_activate_)) {
+EntryBox::Entry::Entry(const std::string &content, std::function<void(const std::string &content)> on_activate_) : Gtk::Entry(), on_activate(std::move(on_activate_)) {
   set_max_length(0);
-  set_width_chars(width_chars);
   set_text(content);
   last_content = content;
   selected_history = -1;
@@ -97,7 +96,7 @@ void EntryBox::clear() {
 void EntryBox::show() {
   std::vector<Gtk::Widget *> focus_chain;
   for(auto &entry : entries) {
-    lower_box.pack_start(entry, Gtk::PACK_SHRINK);
+    lower_box.pack_start(entry, Gtk::PACK_EXPAND_WIDGET);
     focus_chain.emplace_back(&entry);
   }
   for(auto &button : buttons)
diff --git a/src/entrybox.hpp b/src/entrybox.hpp
index a118e85..d56ce2f 100644
--- a/src/entrybox.hpp
+++ b/src/entrybox.hpp
@@ -10,7 +10,7 @@ class EntryBox : public Gtk::Box {
 public:
   class Entry : public Gtk::Entry {
   public:
-    Entry(const std::string &content = "", std::function<void(const std::string &content)> on_activate_ = nullptr, unsigned width_chars = -1);
+    Entry(const std::string &content = "", std::function<void(const std::string &content)> on_activate_ = nullptr);
     std::function<void(const std::string &content)> on_activate;
 
   private:
diff --git a/src/window.cpp b/src/window.cpp
index 080e762..7a99871 100644
--- a/src/window.cpp
+++ b/src/window.cpp
@@ -1388,8 +1388,7 @@ void Window::set_menu_actions() {
         run_arguments.second, [run_arguments_first = std::move(run_arguments.first)](const std::string &content) {
           Project::run_arguments[run_arguments_first] = content;
           EntryBox::get().hide();
-        },
-        50);
+        });
     auto entry_it = EntryBox::get().entries.begin();
     entry_it->set_placeholder_text("Run Arguments");
     EntryBox::get().buttons.emplace_back("Set Run Arguments", [entry_it]() {
@@ -1459,8 +1458,7 @@ void Window::set_menu_actions() {
             EntryBox::get().hide();
           else
             EntryBox::get().entries.front().select_region(0, -1);
-        },
-        30);
+        });
     auto entry_it = EntryBox::get().entries.begin();
     entry_it->set_placeholder_text("Command");
     EntryBox::get().buttons.emplace_back("Run Command", [entry_it]() {
@@ -1494,8 +1492,7 @@ void Window::set_menu_actions() {
         run_arguments.second, [run_arguments_first = std::move(run_arguments.first)](const std::string &content) {
           Project::debug_run_arguments[run_arguments_first].arguments = content;
           EntryBox::get().hide();
-        },
-        50);
+        });
     auto entry_it = EntryBox::get().entries.begin();
     entry_it->set_placeholder_text("Debug Run Arguments");
 
@@ -1572,8 +1569,7 @@ void Window::set_menu_actions() {
             last_run_debug_command = content;
           }
           EntryBox::get().hide();
-        },
-        30);
+        });
     auto entry_it = EntryBox::get().entries.begin();
     entry_it->set_placeholder_text("Debug Command");
     EntryBox::get().buttons.emplace_back("Run Debug Command", [entry_it]() {