diff --git a/src/backend/catalog/pg_conversion.c b/src/backend/catalog/pg_conversion.c
index b059b429be0..d8b89ba8b9a 100644
--- a/src/backend/catalog/pg_conversion.c
+++ b/src/backend/catalog/pg_conversion.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/catalog/pg_conversion.c,v 1.15 2003/08/04 02:39:58 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/catalog/pg_conversion.c,v 1.15.4.1 2006/08/31 17:31:55 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -121,6 +121,12 @@ ConversionCreate(const char *conname, Oid connamespace,
 	referenced.objectSubId = 0;
 	recordDependencyOn(&myself, &referenced, DEPENDENCY_NORMAL);
 
+	/* create dependency on namespace */
+	referenced.classId = get_system_catalog_relid(NamespaceRelationName);
+	referenced.objectId = connamespace;
+	referenced.objectSubId = 0;
+	recordDependencyOn(&myself, &referenced, DEPENDENCY_NORMAL);
+
 	heap_freetuple(tup);
 	heap_close(rel, RowExclusiveLock);