diff --git a/examples/chrono/chrono_main.c b/examples/chrono/chrono_main.c
index 2392f59e0..9e1ec5391 100644
--- a/examples/chrono/chrono_main.c
+++ b/examples/chrono/chrono_main.c
@@ -192,7 +192,8 @@ static int button_daemon(int argc, char *argv[])
       if (ret < 0)
         {
           int errcode = errno;
-          printf("button_daemon: ERROR: sigwaitinfo() failed: %d\n", errcode);
+          printf("button_daemon: ERROR: sigwaitinfo() failed: %d\n",
+                 errcode);
           goto errout_with_fd;
         }