diff --git a/gst/isomp4/qtdemux.c b/gst/isomp4/qtdemux.c
index f2c8c73f21..c154060818 100644
--- a/gst/isomp4/qtdemux.c
+++ b/gst/isomp4/qtdemux.c
@@ -991,10 +991,12 @@ typedef struct
 } FindData;
 
 static gint
-find_func (QtDemuxSample * s1, guint64 * media_time, gpointer user_data)
+find_func (QtDemuxSample * s1, gint64 * media_time, gpointer user_data)
 {
-  if (s1->timestamp + s1->pts_offset > *media_time)
+  if ((gint64) s1->timestamp + s1->pts_offset > *media_time)
     return 1;
+  if ((gint64) s1->timestamp + s1->pts_offset == *media_time)
+    return 0;
 
   return -1;
 }