diff --git a/ArduCopter/config.h b/ArduCopter/config.h
index cccfe30705..500ba1a20d 100644
--- a/ArduCopter/config.h
+++ b/ArduCopter/config.h
@@ -779,7 +779,7 @@
 #endif
 
 #ifndef ALT_HOLD_P
-# define ALT_HOLD_P			0.4		// .5
+# define ALT_HOLD_P			0.3		// .5
 #endif
 #ifndef ALT_HOLD_I
 # define ALT_HOLD_I			0.038