diff --git a/src/backend/catalog/heap.c b/src/backend/catalog/heap.c
index 9176f6280b..3f0be39940 100644
--- a/src/backend/catalog/heap.c
+++ b/src/backend/catalog/heap.c
@@ -3174,7 +3174,8 @@ heap_truncate(List *relids)
 		Relation	rel = lfirst(cell);
 
 		/* Truncate the relation */
-		heap_truncate_one_rel(rel);
+		if (rel->rd_rel->relkind == RELKIND_RELATION)
+			heap_truncate_one_rel(rel);
 
 		/* Close the relation, but keep exclusive lock on it until commit */
 		heap_close(rel, NoLock);