diff --git a/ArduCopter/config.h b/ArduCopter/config.h
index cfb429622eb..0132e0a2700 100644
--- a/ArduCopter/config.h
+++ b/ArduCopter/config.h
@@ -291,7 +291,7 @@
 //////////////////////////////////////////////////////////////////////////////
 //  MAGNETOMETER
 #ifndef MAGNETOMETER
-# define MAGNETOMETER			DISABLED
+# define MAGNETOMETER			ENABLED
 #endif
 #ifndef MAG_ORIENTATION
 # define MAG_ORIENTATION		AP_COMPASS_COMPONENTS_DOWN_PINS_FORWARD