diff --git a/ArduCopter/commands.pde b/ArduCopter/commands.pde
index 0786ed1ea3..f9edafc46d 100644
--- a/ArduCopter/commands.pde
+++ b/ArduCopter/commands.pde
@@ -135,7 +135,7 @@ static void init_home()
         Log_Write_Cmd(0, &home);
 
     // update navigation scalers.  used to offset the shrinking longitude as we go towards the poles
-    scaleLongDown = longitude_scale(&home);
+    scaleLongDown = longitude_scale(home);
     scaleLongUp   = 1.0f/scaleLongDown;
 }