diff --git a/ext/mpeg2dec/gstmpeg2dec.c b/ext/mpeg2dec/gstmpeg2dec.c
index 6e9d4c1137..993dd9c132 100644
--- a/ext/mpeg2dec/gstmpeg2dec.c
+++ b/ext/mpeg2dec/gstmpeg2dec.c
@@ -267,7 +267,7 @@ gst_mpeg2dec_decide_allocation (GstVideoDecoder * decoder, GstQuery * query)
   else
     gst_query_add_allocation_param (query, allocator, &params);
   if (allocator)
-    gst_allocator_unref (allocator);
+    gst_object_unref (allocator);
 
   /* Now chain up to the parent class to guarantee that we can
    * get a buffer pool from the query */