diff --git a/lib/Makefile b/lib/Makefile
index 901358216..57c160ba4 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -24,7 +24,7 @@ F-STACK_VERSION=1.22
 
 HOST_OS:=$(shell uname -s)
 
-#DEBUG=-O0 -gdwarf-2 -g3 -Wno-format-truncation
+DEBUG=-O0 -gdwarf-2 -g3 -Wno-format-truncation
 
 FF_KNI=1