--- libaitcli/src/aitcli.c	2011/03/16 17:43:07	1.3.2.1
+++ libaitcli/src/aitcli.c	2011/05/29 22:42:39	1.3.2.2
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: aitcli.c,v 1.3.2.1 2011/03/16 17:43:07 misho Exp $
+* $Id: aitcli.c,v 1.3.2.2 2011/05/29 22:42:39 misho Exp $
 *
 *************************************************************************/
 #include "global.h"
@@ -1387,9 +1387,9 @@ cliLoop(linebuffer_t * __restrict buffer, const char *
 		} else
 			cli_addHistory(buffer, NULL);
 		// clear whitespaces
-		for (s = line; isspace(*s); s++);
+		for (s = line; isspace((int) *s); s++);
 		if (*s) {
-			for (t = s + strlen(s) - 1; t > s && isspace(*t); t--);
+			for (t = s + strlen(s) - 1; t > s && isspace((int) *t); t--);
 			*++t = 0;
 		}