1 files changed, 1 insertions, 1 deletions
diff --git a/tools/lemon/lemon.c b/tools/lemon/lemon.c
index 0459c24da9..5e1524f218 100644
--- a/tools/lemon/lemon.c
+++ b/tools/lemon/lemon.c
@@ -1646,7 +1646,7 @@ int main(int argc _U_, char **argv)
 **   changed.
 */
 static char *merge( char *a, char *b, int (*cmp)(const char*,const char*),
-  int offset
+  unsigned long offset
 ){
   char *ptr, *head;