diff --git a/trackerlogic.h b/trackerlogic.h
index 596324e..1b55388 100644
--- a/trackerlogic.h
+++ b/trackerlogic.h
@@ -23,6 +23,7 @@ typedef time_t         ot_time;
 /* Some tracker behaviour tunable */
 #define OT_CLIENT_TIMEOUT 30
 #define OT_CLIENT_TIMEOUT_CHECKINTERVAL 5
+#define OT_CLIENT_TIMEOUT_SEND (60*15)
 #define OT_CLIENT_REQUEST_INTERVAL (60*30)
 #define OT_CLIENT_REQUEST_VARIATION (60*6)