diff --git a/blk/108 b/blk/108
index 97c6917..d7532c5 100644
--- a/blk/108
+++ b/blk/108
@@ -1,4 +1,5 @@
 : _type ( buf -- )
+    C<? NOT IF DROP EXIT THEN
     C< DUP 0xd = IF 2DROP EXIT THEN SWAP DUP _zbuf ( c a )
     BEGIN ( c a ) C!+ C< TUCK 0x0d = UNTIL ( c a ) C! ;
 ( user-facing lines are 1-based )
@@ -13,4 +14,3 @@
 
 
 
-