diff --git a/ArduPlane/system.cpp b/ArduPlane/system.cpp
index 17d57395d9..0191184d50 100644
--- a/ArduPlane/system.cpp
+++ b/ArduPlane/system.cpp
@@ -74,7 +74,7 @@ void Plane::init_ardupilot()
 
     // GPS Initialization
     gps.set_log_gps_bit(MASK_LOG_GPS);
-    gps.init(serial_manager);
+    gps.init();
 
     init_rc_in();               // sets up rc channels from radio