diff --git a/sys/contrib/openzfs/module/zfs/arc.c b/sys/contrib/openzfs/module/zfs/arc.c
index 70565cc25011..10ff8af0c8eb 100644
--- a/sys/contrib/openzfs/module/zfs/arc.c
+++ b/sys/contrib/openzfs/module/zfs/arc.c
@@ -5980,10 +5980,11 @@ arc_read(zio_t *pio, spa_t *spa, const blkptr_t *bp,
 		}
 
 		/*
-		 * Gracefully handle a damaged logical block size as a
-		 * checksum error.
+		 * Gracefully handle a damaged logical or physical block size
+		 * as a checksum error.
 		 */
-		if (lsize > spa_maxblocksize(spa)) {
+		if (lsize > spa_maxblocksize(spa) ||
+		    psize > SPA_MAXBLOCKSIZE) {
 			rc = SET_ERROR(ECKSUM);
 			if (hash_lock != NULL)
 				mutex_exit(hash_lock);