diff --git a/app/modules/sntp.c b/app/modules/sntp.c
index afffe4c9..5caf4994 100644
--- a/app/modules/sntp.c
+++ b/app/modules/sntp.c
@@ -41,6 +41,7 @@
 #include "c_stdlib.h"
 #include "user_modules.h"
 #include "lwip/dns.h"
+#include "user_interface.h"
 
 #ifdef LUA_USE_MODULES_RTCTIME
 #include "rtc/rtctime.h"