diff --git a/ges/ges-enums.c b/ges/ges-enums.c
index 8d2eedc714..6e694da0c7 100644
--- a/ges/ges-enums.c
+++ b/ges/ges-enums.c
@@ -47,6 +47,11 @@ ges_track_type_get_type (void)
 }
 
 GEnumValue transition_types[] = {
+  {
+        0,
+        "Transition has not been set",
+      "none"}
+  ,
   {
         1,
         "A bar moves from left to right",
diff --git a/ges/ges-enums.h b/ges/ges-enums.h
index 137c35a4a3..d26f7960e1 100644
--- a/ges/ges-enums.h
+++ b/ges/ges-enums.h
@@ -54,6 +54,7 @@ typedef enum {
 
 /**
  * GESVideoTransitionType:
+ * @GES_VIDEO_TRANSITION_TYPE_NONE: Transition type has not been set,
  * @GES_VIDEO_TRANSITION_TYPE_BAR_WIPE_LR: A bar moves from left to right,
  * @GES_VIDEO_TRANSITION_TYPE_BAR_WIPE_TB: A bar moves from top to bottom,
  * @GES_VIDEO_TRANSITION_TYPE_BOX_WIPE_TL: A box expands from the upper-left corner to the lower-right corner,
@@ -129,6 +130,7 @@ typedef enum {
  */
 
 typedef enum {
+  GES_VIDEO_TRANSITION_TYPE_NONE = 0,
   GES_VIDEO_TRANSITION_TYPE_BAR_WIPE_LR = 1,
   GES_VIDEO_TRANSITION_TYPE_BAR_WIPE_TB = 2,
   GES_VIDEO_TRANSITION_TYPE_BOX_WIPE_TL = 3,