diff --git a/microcode_ctl.spec b/microcode_ctl.spec
index e540394..3df35be 100644
--- a/microcode_ctl.spec
+++ b/microcode_ctl.spec
@@ -1,3 +1,5 @@
+%define upstream_version 2.0-1
+
 Summary:        Tool to transform and deploy CPU microcode update for x86.
 Name:           microcode_ctl
 Version:        2.0
@@ -6,7 +8,7 @@ Epoch:          2
 Group:          System Environment/Base
 License:        GPLv2+ and Redistributable, no modification permitted
 URL:            http://fedorahosted.org/microcode_ctl
-Source0:        http://fedorahosted.org/released/microcode_ctl/%{name}-%{version}-%{release}.tar.xz
+Source0:        http://fedorahosted.org/released/microcode_ctl/%{name}-%{upstream_version}.tar.xz
 Buildroot:      %{_tmppath}/%{name}-%{version}-root
 ExclusiveArch:  %{ix86} x86_64
 
@@ -19,7 +21,7 @@ boot i.e. it doesn't reflash your cpu permanently, reboot and it reverts
 back to the old microcode.
 
 %prep
-%setup -q -n %{name}-%{version}-%{release}
+%setup -q -n %{name}-%{upstream_version}
 
 %build
 make CFLAGS="$RPM_OPT_FLAGS" %{?_smp_mflags}