diff --git a/nlsr-sync-0.0/Makefile b/nlsr-sync-0.0/Makefile
index ae2b195..abe7b08 100755
--- a/nlsr-sync-0.0/Makefile
+++ b/nlsr-sync-0.0/Makefile
@@ -1,5 +1,5 @@
 CC = gcc
-CFLAGS = -g -Wall 
+CFLAGS = -g -Wall -gdwarf-2 -g3 
 LIBS = -lccn -lccnsync -lcrypto 
 
 PROGRAMS = nlsrc nlsr