diff --git a/src/window.cc b/src/window.cc
index 8dfe8e7..08b21c4 100644
--- a/src/window.cc
+++ b/src/window.cc
@@ -146,8 +146,16 @@ void Window::configure() {
   style_context->add_provider_for_screen(screen, css_provider, GTK_STYLE_PROVIDER_PRIORITY_SETTINGS);
   Directories::get().update();
   Menu::get().set_keys();
+  
   if(Config::get().source.font.size()>0) {
     Pango::FontDescription font_description(Config::get().source.font);
+    auto font_description_size=font_description.get_size();
+    if(font_description_size==0) {
+      Pango::FontDescription default_font_description(Gtk::Settings::get_default()->property_gtk_font_name());
+      font_description_size=default_font_description.get_size();
+    }
+    if(font_description_size>0)
+      font_description.set_size(font_description_size*0.95);
     Terminal::get().override_font(font_description);
   }
 }