diff --git a/gps/utils/loc_log.cpp b/gps/utils/loc_log.cpp
index 76f0c53..6601d0d 100644
--- a/gps/utils/loc_log.cpp
+++ b/gps/utils/loc_log.cpp
@@ -32,6 +32,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <sys/time.h>
+#include <time.h>
 #include "loc_log.h"
 #include "msg_q.h"
 #ifdef USE_GLIB