diff --git a/watch-faces/complication/endless_runner_face.c b/watch-faces/complication/endless_runner_face.c
index b7e78667..d3985d40 100644
--- a/watch-faces/complication/endless_runner_face.c
+++ b/watch-faces/complication/endless_runner_face.c
@@ -25,6 +25,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include "endless_runner_face.h"
+#include "delay.h"
 
 typedef enum {
     JUMPING_FINAL_FRAME = 0,