diff --git a/ex13.c b/ex13.c
index c2bab05..dd086fb 100644
--- a/ex13.c
+++ b/ex13.c
@@ -35,7 +35,7 @@ int main(int argc, char *argv[])
             case 'u':
             case 'U':
                 printf("%d: 'U'\n", i);
-                //break;
+                break;
 
             case 'y':
             case 'Y':