diff --git a/gst-libs/gst/adaptivedemux/gstadaptivedemux.c b/gst-libs/gst/adaptivedemux/gstadaptivedemux.c
index 5e967bfb8c..51418d32fe 100644
--- a/gst-libs/gst/adaptivedemux/gstadaptivedemux.c
+++ b/gst-libs/gst/adaptivedemux/gstadaptivedemux.c
@@ -1249,9 +1249,11 @@ gst_adaptive_demux_can_seek (GstAdaptiveDemux * demux)
   return klass->seek != NULL;
 }
 
-#define IS_SNAP_SEEK(f) (f & (GST_SEEK_FLAG_SNAP_BEFORE | \
-                              GST_SEEK_FLAG_SNAP_AFTER | \
-                              GST_SEEK_FLAG_SNAP_NEAREST))
+#define IS_SNAP_SEEK(f) (f & (GST_SEEK_FLAG_SNAP_BEFORE |	  \
+                              GST_SEEK_FLAG_SNAP_AFTER |	  \
+                              GST_SEEK_FLAG_SNAP_NEAREST |	  \
+			      GST_SEEK_FLAG_TRICKMODE_KEY_UNITS | \
+			      GST_SEEK_FLAG_KEY_UNIT))
 #define REMOVE_SNAP_FLAGS(f) (f & ~(GST_SEEK_FLAG_SNAP_BEFORE | \
                               GST_SEEK_FLAG_SNAP_AFTER | \
                               GST_SEEK_FLAG_SNAP_NEAREST))