diff --git a/ArduPlane/config.h b/ArduPlane/config.h
index 90515198a2..efd2ffe394 100644
--- a/ArduPlane/config.h
+++ b/ArduPlane/config.h
@@ -419,7 +419,7 @@
 #endif
 
 #ifndef AUTOMATIC_DECLINATION
-	#define AUTOMATIC_DECLINATION DISABLED
+	#define AUTOMATIC_DECLINATION ENABLED
 #endif
 
 //////////////////////////////////////////////////////////////////////////////