diff --git a/src/backend/catalog/aclchk.c b/src/backend/catalog/aclchk.c
index a3f680d388..11d9de9031 100644
--- a/src/backend/catalog/aclchk.c
+++ b/src/backend/catalog/aclchk.c
@@ -5869,11 +5869,17 @@ removeExtObjInitPriv(Oid objoid, Oid classoid)
 		/* Indexes don't have permissions */
 		if (pg_class_tuple->relkind == RELKIND_INDEX ||
 			pg_class_tuple->relkind == RELKIND_PARTITIONED_INDEX)
+		{
+			ReleaseSysCache(tuple);
 			return;
+		}
 
 		/* Composite types don't have permissions either */
 		if (pg_class_tuple->relkind == RELKIND_COMPOSITE_TYPE)
+		{
+			ReleaseSysCache(tuple);
 			return;
+		}
 
 		/*
 		 * If this isn't a sequence, index, or composite type then it's