diff --git a/src/source_base.cpp b/src/source_base.cpp
index 40c1723..73bac7e 100644
--- a/src/source_base.cpp
+++ b/src/source_base.cpp
@@ -10,6 +10,12 @@
 #include <gtksourceview/gtksource.h>
 #include <regex>
 
+#ifdef __APPLE__
+GdkModifierType Source::CommonView::primary_modifier_mask = GDK_MOD2_MASK;
+#else
+GdkModifierType Source::CommonView::primary_modifier_mask = GDK_CONTROL_MASK;
+#endif
+
 Source::CommonView::CommonView(const Glib::RefPtr<Gsv::Language> &language) : Gsv::View() {
   set_tab_width(4); // Visual size of a \t hardcoded to be equal to visual size of 4 spaces
 
@@ -369,13 +375,6 @@ Source::BaseView::BaseView(const boost::filesystem::path &file_path, const Glib:
   }
   set_tab_char_and_size(tab_char, tab_size);
 
-#ifdef __APPLE__
-  primary_modifier_mask = GDK_MOD2_MASK;
-#else
-  primary_modifier_mask = GDK_CONTROL_MASK;
-#endif
-
-
   set_snippets();
 
   snippet_parameter_tag = get_buffer()->create_tag();
diff --git a/src/source_base.hpp b/src/source_base.hpp
index f6a160a..3a0a0a7 100644
--- a/src/source_base.hpp
+++ b/src/source_base.hpp
@@ -50,6 +50,9 @@ namespace Source {
 
     bool keep_clipboard = false;
 
+    /// Apple key for MacOS, and control key otherwise
+    static GdkModifierType primary_modifier_mask;
+
     bool on_key_press_event(GdkEventKey *event) override;
     bool on_motion_notify_event(GdkEventMotion *motion_event) override;
 
@@ -146,9 +149,6 @@ namespace Source {
     std::string tab;
     std::pair<char, unsigned> find_tab_char_and_size();
 
-    /// Apple key for MacOS, and control key otherwise
-    GdkModifierType primary_modifier_mask;
-
     /// Move iter to line start. Depending on iter position, before or after indentation.
     /// Works with wrapped lines.
     Gtk::TextIter get_smart_home_iter(const Gtk::TextIter &iter);
diff --git a/src/terminal.cpp b/src/terminal.cpp
index 3e3390d..e17e30f 100644
--- a/src/terminal.cpp
+++ b/src/terminal.cpp
@@ -624,7 +624,8 @@ bool Terminal::on_key_press_event(GdkEventKey *event) {
   if(event->keyval == GDK_KEY_Home || event->keyval == GDK_KEY_End ||
      event->keyval == GDK_KEY_Page_Up || event->keyval == GDK_KEY_Page_Down ||
      event->keyval == GDK_KEY_Up || event->keyval == GDK_KEY_Down ||
-     event->keyval == GDK_KEY_Left || event->keyval == GDK_KEY_Right)
+     event->keyval == GDK_KEY_Left || event->keyval == GDK_KEY_Right ||
+     ((event->state & primary_modifier_mask) && event->keyval == GDK_KEY_a))
     return Source::CommonView::on_key_press_event(event);
 
   LockGuard lock(processes_mutex);