diff --git a/sysa/heirloom-devtools-070527/heirloom-devtools-070527.checksums b/sysa/heirloom-devtools-070527/heirloom-devtools-070527.checksums
index 674d842..97f9b4a 100644
--- a/sysa/heirloom-devtools-070527/heirloom-devtools-070527.checksums
+++ b/sysa/heirloom-devtools-070527/heirloom-devtools-070527.checksums
@@ -1,5 +1,5 @@
 860fd6b5be736f8b9ebc6adba1198e27cf579dec9325cc54a6b0dbac0aecdc3e  /usr/bin/yacc
-d28d2c75f95d1c734cdbfc11f68e730237a2eb4238da81ce2e88de38253438b7  /usr/bin/lex
+a9e6c3d893a95094968681b9eb31cd9ba6c58c46a3239911ed66183ea21be659  /usr/bin/lex
 ffe696afc1bda32a5f4035e29b3275cab73a27df7635ccbe02ed49a30374ccdd  /usr/lib/mes/libl.a
 bf3fb293f1ff89ee3dbcb08166c64b7a6793b49a12673d7633e3353ebea80d4d  /yaccpar
 ee0f187b844f50d64c912bfcb5d73706662846d6d8a90b8b1fb20dda60464734  /lex/ncform
diff --git a/sysa/heirloom-devtools-070527/patches/lex_remove_wchar.patch b/sysa/heirloom-devtools-070527/patches/lex_remove_wchar.patch
index b5a009f..91b231c 100644
--- a/sysa/heirloom-devtools-070527/patches/lex_remove_wchar.patch
+++ b/sysa/heirloom-devtools-070527/patches/lex_remove_wchar.patch
@@ -120,11 +120,11 @@ index b8618e3..34a7e9a 100644
 +*/
 +int
 +wstrcpy(char const *destination, wchar_t const *source) {
-+	int i;
-+	for (i = 0; source[i] != 0; i++)
++	int i = 0;
++	do {
 +		destination[i]=source[i];
++	} while (source[i++] != 0);
 +}
-+
  int
  yylex(void)
  {