diff --git a/Tools/Replay/Replay.cpp b/Tools/Replay/Replay.cpp
index 0d21d3ec19..9f11e786e9 100644
--- a/Tools/Replay/Replay.cpp
+++ b/Tools/Replay/Replay.cpp
@@ -932,4 +932,6 @@ const struct AP_Param::GroupInfo        GCS_MAVLINK::var_info[] = {
 };
 GCS_Dummy _gcs;
 
+void AP_Camera::send_feedback(mavlink_channel_t) {}
+
 AP_HAL_MAIN_CALLBACKS(&replay);