1 files changed, 1 insertions, 0 deletions
diff --git a/gpsmon.h b/gpsmon.h
index 5e7665fb..f05e6012 100644
--- a/gpsmon.h
+++ b/gpsmon.h
@@ -37,6 +37,7 @@ extern struct gps_device_t	session;
 extern bool serial;	/* True - direct mode, False - daemon mode */
 #ifdef NTP_ENABLE
 extern struct timedelta_t time_offset;
+void toff_update(WINDOW *, int, int);
 #endif /* NTP_ENABLE */
 
 #endif /* _GPSD_GPSMON_H_ */