diff --git a/ChangeLog b/ChangeLog
index 4c4af1cb78..129589c908 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2005-03-08  Wim Taymans  <wim@fluendo.com>
+
+	Patch by: René Stadler <mail at renestadler dot de>
+
+	* gst/gstclock.c: (gst_clock_new_periodic_id):
+	Reject invalid clock times for interval of periodic ids.
+	Fixes ##383506.
+
 2006-12-07  Jan Schmidt  <thaytan@mad.scientist.com>
 
 	* gst/gstelementfactory.c: (gst_element_factory_create):
diff --git a/gst/gstclock.c b/gst/gstclock.c
index 4ef7b9d4e1..e2f3c17b73 100644
--- a/gst/gstclock.c
+++ b/gst/gstclock.c
@@ -281,6 +281,7 @@ gst_clock_new_periodic_id (GstClock * clock, GstClockTime start_time,
   g_return_val_if_fail (GST_IS_CLOCK (clock), NULL);
   g_return_val_if_fail (GST_CLOCK_TIME_IS_VALID (start_time), NULL);
   g_return_val_if_fail (interval != 0, NULL);
+  g_return_val_if_fail (GST_CLOCK_TIME_IS_VALID (interval), NULL);
 
   return gst_clock_entry_new (clock,
       start_time, interval, GST_CLOCK_ENTRY_PERIODIC);