--- gforth/blocks.fs	2007/02/18 18:59:40	1.49
+++ gforth/blocks.fs	2007/02/19 00:08:20	1.50
@@ -78,9 +78,8 @@ Defer flush-blocks ( -- ) \ gforth
     try ( c-addr u )
 	2dup open-fpath-file throw
 	rot close-file throw  2dup file-status throw bin open-file throw
-	>r 2drop r> 0
-    restore endtry
-    ?dup-if ( c-addr u ior )
+	>r 2drop r>
+    endtry-iferror ( c-addr u ior )
 	>r 2dup file-status nip 0= r> and throw \ does it really not exist?
 	r/w bin create-file throw
     then