diff --git a/gui/controls.cpp b/gui/controls.cpp
index 266a98a1..76bde66a 100644
--- a/gui/controls.cpp
+++ b/gui/controls.cpp
@@ -6,6 +6,8 @@
 #include <core/driver.h>
 #include <gui/ocarina.h>
 
+static Gtk::Label *o_position;
+static Glib::RefPtr<Gtk::Adjustment> o_pos_bar;
 
 static inline bool audio_playing()
 {
@@ -32,12 +34,9 @@ void o_fix_buttons()
  */
 static bool on_timeout()
 {
-	Gtk::Label *position = lib :: get_widget<Gtk::Label>("o_cur_position");
-	Glib::RefPtr<Gtk::Adjustment> bar = lib :: get_object<Gtk::Adjustment>("o_progress");
-
-	position->set_text(audio :: position_str());
-	bar->set_upper(audio :: duration());
-	bar->set_value(audio :: position());
+	o_position->set_text(audio :: position_str());
+	o_pos_bar->set_upper(audio :: duration());
+	o_pos_bar->set_value(audio :: position());
 
 	o_fix_buttons();
 	return audio_playing();
@@ -74,6 +73,9 @@ void o_next()
 
 void controls_init()
 {
+	o_position = lib :: get_widget<Gtk::Label>("o_cur_position");
+	o_pos_bar  = lib :: get_object<Gtk::Adjustment>("o_progress");
+
 	connect_button("o_play", o_play);
 	connect_button("o_pause", o_pause);
 	connect_button("o_stop", audio::stop);