diff --git a/bin/sh/exec.c b/bin/sh/exec.c
index e11470ff728..8989ead18be 100644
--- a/bin/sh/exec.c
+++ b/bin/sh/exec.c
@@ -187,7 +187,8 @@ padvance(char **path, char *name)
 	if (*path == NULL)
 		return NULL;
 	start = *path;
-	for (p = start ; *p && *p != ':' && *p != '%' ; p++);
+	for (p = start; *p && *p != ':' && *p != '%'; p++)
+		; /* nothing */
 	len = p - start + strlen(name) + 2;	/* "2" is for '/' and '\0' */
 	while (stackblocksize() < len)
 		growstackblock();