diff --git a/debug.h b/debug.h
index e96e268..5067cc2 100644
--- a/debug.h
+++ b/debug.h
@@ -7,14 +7,15 @@
 	#define		DEBUG_PID				1
 	#define		DEBUG_DDA				2
 	#define		DEBUG_POSITION	4
+	#define		DEBUG_ECHO			128
 #else
 	// by setting these to zero, the compiler should optimise the relevant code out
 	#define		DEBUG_PID				0
 	#define		DEBUG_DDA				0
 	#define		DEBUG_POSITION	0
+	#define		DEBUG_ECHO			0
 #endif
 
-#define		DEBUG_ECHO			128
 
 extern volatile uint8_t	debug_flags;