diff --git a/makefile b/makefile
index 4548d309..863b0592 100644
--- a/makefile
+++ b/makefile
@@ -48,10 +48,10 @@ ReleaseDebs = $(ReleaseDir)/debs/$(PLATFORM)
 CrontaskSize = 27788951
 RestagentSize = 29525312
 BinWriterDir = $(HOME)/bin
-ifeq ($(shell (cat /etc/os-release|grep VERSION_ID)), VERSION_ID="22.04")
+ifeq ($(shell cat |grep VERSION_ID /etc/os-release), VERSION_ID="22.04")
 DebBuildDir := $(DebBuild2204Dir)
 DebPkgFile := $(PROJECT)-$(VERSION)-22.04-$(Release).$(PLATFORM).deb
-elif ($(shell (cat /etc/os-release|grep VERSION_ID)), VERSION_ID="18.04")
+else ifeq ($(shell cat |grep VERSION_ID /etc/os-release), VERSION_ID="18.04")
 DebPkgFile := $(PROJECT)-$(VERSION)-$(Release).$(PLATFORM).deb
 endif