diff --git a/project/copper.mk b/project/copper.mk
index 808c582..175bf54 100644
--- a/project/copper.mk
+++ b/project/copper.mk
@@ -9,5 +9,5 @@
 DEBUG := 1
 
 #DEFINES += WITH_DEBUG_DCC=1
-#DEFINES += WITH_DEBUG_UART=1
+DEFINES += WITH_DEBUG_UART=1
 #DEFINES += WITH_DEBUG_FBCON=1