diff --git a/src/backend/access/hash/hashfunc.c b/src/backend/access/hash/hashfunc.c
index 9a88aa5a432..08fd7b6e264 100644
--- a/src/backend/access/hash/hashfunc.c
+++ b/src/backend/access/hash/hashfunc.c
@@ -142,11 +142,8 @@ Datum
 hashname(PG_FUNCTION_ARGS)
 {
 	char	   *key = NameStr(*PG_GETARG_NAME(0));
-	int			keylen = strlen(key);
 
-	Assert(keylen < NAMEDATALEN);		/* else it's not truncated correctly */
-
-	return hash_any((unsigned char *) key, keylen);
+	return hash_any((unsigned char *) key, strlen(key));
 }
 
 Datum