diff --git a/makefile b/makefile
index f2391f4d..0555fd1c 100644
--- a/makefile
+++ b/makefile
@@ -2,7 +2,7 @@
 
 PROJECT = OMC
 VERSION = 1.6.1
-RelDate = shell date +%Y%m%d
+RelDate = `date +%Y%m%d`
 Release = $(RelDate)
 RelVer = $(VERSION)-$(RelDate)
 PLATFORM = amd64
@@ -98,7 +98,7 @@ deb: $(BINNAME)
 	chmod +x $(DebBuildDir)/usr/local/omc/bin/*
 	cp -rf $(BuildDir)/nginx/*  $(DebBuildDir)/etc/nginx/conf.d
 	cp -rf $(BuildDir)/systemd/*.service  $(DebBuildDir)/lib/systemd/system/
-	sed -i.bak 's/YYYYMMDD/$(RelDate)/g' $(DebBuildDir)/DEBIAN/control
+	sed -i.bak 's/YYYYMMDD/`echo date +%Y%m%d`)/g' $(DebBuildDir)/DEBIAN/control
 	dpkg -b $(DebBuildDir) $(ReleaseDebs)/$(PROJECT)-$(VERSION)-$(Release).$(PLATFORM).deb
 
 rpm: $(BINNAME)