diff --git a/makefile b/makefile
index 40fe212a..564dad80 100644
--- a/makefile
+++ b/makefile
@@ -122,7 +122,7 @@ deb: $(BINNAME)
 	chmod +x $(DebBuildDir)/usr/local/omc/bin/*
 	#sed -i.bak 's/YYYYMMDD/$(shell date +"%Y%m%d")/g' $(DebBuildDir)/DEBIAN/control
 	sed -i 's/YYYYMMDD/$(shell date +"%Y%m%d")/g' $(DebBuildDir)/DEBIAN/control
-	sed -i '74 s/user: root/user: agtuser/g' $(DebBuildDir)/usr/local/omc/etc/default/restconf.yaml
+	perl -0777 -i -pe 's/ne:\n  user: root/ne:\n  user: agtuser/g' $(DebBuildDir)/usr/local/omc/etc/default/restconf.yaml
 	dpkg -b $(DebBuildDir) $(ReleaseDebs)/$(DebPkgFile)
 
 rpm: $(BINNAME)