diff --git a/ges/ges-auto-transition.c b/ges/ges-auto-transition.c
index 057267cb123..922b6c295ea 100644
--- a/ges/ges-auto-transition.c
+++ b/ges/ges-auto-transition.c
@@ -95,7 +95,7 @@ neighbour_changed_cb (GESClip * clip, GParamSpec * arg G_GNUC_UNUSED,
   _set_start0 (GES_TIMELINE_ELEMENT (self->transition_clip),
       _START (self->next_source));
   _set_duration0 (GES_TIMELINE_ELEMENT (self->transition_clip), new_duration);
-  ELEMENT_SET_FLAG (self->transition_clip, GES_TIMELINE_ELEMENT_SET_SIMPLE);
+  ELEMENT_UNSET_FLAG (self->transition_clip, GES_TIMELINE_ELEMENT_SET_SIMPLE);
   self->positioning = FALSE;
 }