diff --git a/debian/rules b/debian/rules
index 7303047..bbed28e 100755
--- a/debian/rules
+++ b/debian/rules
@@ -9,8 +9,8 @@ export OFONO_PKG = ofono-sailfish
 
 LIBDIR=usr/lib/$(shell dpkg-architecture -qDEB_HOST_MULTIARCH)
 
-#override_dh_auto_build:
-#	dh_auto_build -- LIBDIR=$(LIBDIR)
+override_dh_auto_build:
+	dh_auto_build -- CFLAGS="-g -O0"
 
 %:
 	dh $@