diff --git a/src/led.c b/src/led.c
index 0a5c0a9..4204f0b 100644
--- a/src/led.c
+++ b/src/led.c
@@ -70,7 +70,7 @@ static void
     led_set('0', d);
 
     /* wait for the condition to change */
-    while(d->rate == 0) {
+    while (d->rate == 0) {
       if ((err = pthread_cond_wait(&cv, &mp)) != 0) {
         log_fatal("pthread_cond_wait: %s", strerror(err));
         pthread_exit(0);