diff --git a/include/aomovie.h b/include/aomovie.h
index 33b3158..974559d 100644
--- a/include/aomovie.h
+++ b/include/aomovie.h
@@ -16,7 +16,7 @@ public:
 
   void set_play_once(bool p_play_once);
   void start_timer(int delay);
-  void play(QString p_gif, QString p_char = "", QString p_custom_theme = "", int duration = 0);
+  void play(QString p_gif, QString p_char = "", QString p_custom_theme = "", int default_duration = 0);
   void combo_resize(int w, int h);
   void stop();