diff --git a/src/commser.h b/src/commser.h
index 53bf54c..ed0619a 100644
--- a/src/commser.h
+++ b/src/commser.h
@@ -8,6 +8,7 @@
 
 extern void mqtt_receiveCallback(char *topic, byte *payload, unsigned int length);
 extern void pubThread();
+extern void refreshRequest();
 extern void writeRoute(String topicStr);
 extern void mavlink_receiveCallback(uint8_t c);
 extern const String topicPub[];