diff --git a/lang/cem/libcc/gen/memcmp.c b/lang/cem/libcc/gen/memcmp.c
index 430bc37ce..e3711bbb0 100644
--- a/lang/cem/libcc/gen/memcmp.c
+++ b/lang/cem/libcc/gen/memcmp.c
@@ -4,7 +4,7 @@ register char *s1, *s2;
 {
 /* Compare 2 strings. */
 
-  while (n-- > 0)
+  while (n-- > 0) {
 	if (*s1 != *s2) {
 		return(*s1 - *s2);
 	}