diff --git a/src/backend/columnar/columnar_storage.c b/src/backend/columnar/columnar_storage.c
index 7e7f7990b..21aa7ab9c 100644
--- a/src/backend/columnar/columnar_storage.c
+++ b/src/backend/columnar/columnar_storage.c
@@ -169,7 +169,11 @@ ColumnarStorageInit(SMgrRelation srel, uint64 storageId)
 	}
 
 	/* create two pages */
+#if PG_VERSION_NUM >= PG_VERSION_16
+	PGIOAlignedBlock block;
+#else
 	PGAlignedBlock block;
+#endif
 	Page page = block.data;
 
 	/* write metapage */