1 files changed, 1 insertions, 1 deletions
diff --git a/help.c b/help.c
index bc9c4dc9..eaedf7b0 100644
--- a/help.c
+++ b/help.c
@@ -131,7 +131,7 @@ static int print_macro (FILE *f, int maxchar, const char **macro)
     {
       --n;
       fputc(c, f);
-      c = *++*macro;
+      c = (unsigned char) *++*macro;
     }
     else
       c = 0;