diff --git a/core/audio.c b/core/audio.c
index ddc76026..f20809a4 100644
--- a/core/audio.c
+++ b/core/audio.c
@@ -225,7 +225,7 @@ gint64 audio_position()
 	return 0;
 }
 
-int64_t audio_duration()
+gint64 audio_duration()
 {
 	gint64 duration;
 	if (gst_element_query_duration(audio_player,