diff --git a/src/backend/storage/page/bufpage.c b/src/backend/storage/page/bufpage.c
index 5ee1e58cd4..db5954def2 100644
--- a/src/backend/storage/page/bufpage.c
+++ b/src/backend/storage/page/bufpage.c
@@ -88,7 +88,6 @@ bool
 PageIsVerifiedExtended(Page page, BlockNumber blkno, int flags)
 {
 	PageHeader	p = (PageHeader) page;
-	size_t	   *pagebytes;
 	bool		checksum_failure = false;
 	bool		header_sane = false;
 	uint16		checksum = 0;
@@ -124,9 +123,7 @@ PageIsVerifiedExtended(Page page, BlockNumber blkno, int flags)
 	}
 
 	/* Check all-zeroes case */
-	pagebytes = (size_t *) page;
-
-	if (pg_memory_is_all_zeros(pagebytes, (BLCKSZ / sizeof(size_t))))
+	if (pg_memory_is_all_zeros(page, BLCKSZ))
 		return true;
 
 	/*