diff --git a/ges/ges-timeline-object.c b/ges/ges-timeline-object.c
index 0d3fb03640..1338f33fae 100644
--- a/ges/ges-timeline-object.c
+++ b/ges/ges-timeline-object.c
@@ -389,7 +389,7 @@ ges_timeline_object_class_init (GESTimelineObjectClass * klass)
    */
   g_object_class_install_property (object_class, PROP_MAX_DURATION,
       g_param_spec_uint64 ("max-duration", "Maximum duration",
-          "The duration of the object", 0, G_MAXUINT64, G_MAXUINT64,
+          "The maximum duration of the object", 0, G_MAXUINT64, G_MAXUINT64,
           G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
 
   klass->need_fill_track = TRUE;
diff --git a/ges/ges-track-object.c b/ges/ges-track-object.c
index 11e2d8fc9f..f7dec0bfa6 100644
--- a/ges/ges-track-object.c
+++ b/ges/ges-track-object.c
@@ -309,8 +309,8 @@ ges_track_object_class_init (GESTrackObjectClass * klass)
    */
   g_object_class_install_property (object_class, PROP_MAX_DURATION,
       g_param_spec_uint64 ("max-duration", "Maximum duration",
-          "The duration of the object", GST_CLOCK_TIME_NONE, G_MAXUINT64,
-          G_MAXUINT64, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          "The maximum duration of the object", 0, G_MAXUINT64, G_MAXUINT64,
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
 
   /**
    * GESTrackObject::deep-notify: