diff --git a/src/tvhtime.h b/src/tvhtime.h
index 3829ce52..0d07a6fc 100644
--- a/src/tvhtime.h
+++ b/src/tvhtime.h
@@ -18,7 +18,7 @@
  */
 
 #ifndef __TVH_TIME_H__
-#define __TVH_TIME_H_
+#define __TVH_TIME_H__
 
 extern uint32_t tvhtime_update_enabled;
 extern uint32_t tvhtime_ntp_enabled;