diff --git a/blk/127 b/blk/127
index b4afedf..211efd6 100644
--- a/blk/127
+++ b/blk/127
@@ -7,7 +7,9 @@
 : $[ BLK> @ acc@ - selblk ;
 : $] BLK> @ acc@ + selblk ;
 : $h -1 cmv ; : $l 1 cmv ; : $k -64 cmv ; : $j 64 cmv ;
-: $w POS @ BLK( + BEGIN C@+ WS? UNTIL BEGIN C@+ WS? NOT UNTIL
+: $w POS @ BLK( + acc@ 0 DO
+    BEGIN C@+ WS? UNTIL BEGIN C@+ WS? NOT UNTIL LOOP
     1- BLK( - 1023 MIN POS ! ;
-: $W POS @ BLK( + BEGIN C@- WS? UNTIL BEGIN C@- WS? NOT UNTIL
+: $W POS @ BLK( + acc@ 0 DO
+    BEGIN C@- WS? UNTIL BEGIN C@- WS? NOT UNTIL LOOP
     1+ BLK( - DUP 0< IF DROP 0 THEN POS ! ;