diff --git a/ArduCopter/APM_Config.h b/ArduCopter/APM_Config.h
index bc2cbc74b5..1c766e182f 100644
--- a/ArduCopter/APM_Config.h
+++ b/ArduCopter/APM_Config.h
@@ -18,6 +18,7 @@
 	HEXA_FRAME
 	Y6_FRAME
 	OCTA_FRAME
+	OCTA_QUAD_FRAME
 	HELI_FRAME
 	*/