diff --git a/ArduCopter/system.cpp b/ArduCopter/system.cpp
index c76fc58f4e..08925492f6 100755
--- a/ArduCopter/system.cpp
+++ b/ArduCopter/system.cpp
@@ -160,7 +160,7 @@ void Copter::init_ardupilot()
 
 #if MOUNT == ENABLED
     // initialise camera mount
-    camera_mount.init(serial_manager);
+    camera_mount.init();
 #endif
 
 #if PRECISION_LANDING == ENABLED