diff --git a/Config.mk b/Config.mk
index 78410efc82..b9c7a9df75 100644
--- a/Config.mk
+++ b/Config.mk
@@ -10,7 +10,7 @@ realpath = $(wildcard $(foreach file,$(1),$(shell cd -P $(dir $(file)) && echo "
 -include $(XEN_ROOT)/.config
 
 # A debug build of Xen and tools?
-debug ?= n
+debug ?= y
 debug_symbols ?= $(debug)
 
 XEN_COMPILE_ARCH    ?= $(shell uname -m | sed -e s/i.86/x86_32/ \