diff --git a/src/mbmon.c b/src/mbmon.c
index bad1a3884d86596b2f5600241ae83c5ee543b69c..50d7363268840771f6d7ff30d85ae58e252bc7ec 100644 (file)
--- a/src/mbmon.c
+++ b/src/mbmon.c
{
size_t l;
- for (l = strlen (s) - 1; (l > 0) && isspace (s[l]); l--)
+ for (l = strlen (s) - 1; (l > 0) && isspace ((int) s[l]); l--)
s[l] = '\0';
}