diff --git a/wpkg-thunderbird.spec b/wpkg-thunderbird.spec
index f2ff87a..666d8d3 100644
--- a/wpkg-thunderbird.spec
+++ b/wpkg-thunderbird.spec
@@ -1,10 +1,9 @@
 %define package thunderbird
-%define version 0.1
-%define realversion 10.0.5esr
+%define version 10.0.5esr
 %define release 0.beta1
 
 Name:		wpkg-%{package}
-Version:	%{version}+%{realversion}
+Version:	%{version}
 Release:	%{release}%{?dist}
 Summary:	%{package} for WPKG on iPasserelle
 
@@ -44,6 +43,9 @@ cp -r packages/* %{buildroot}/home/e-smith/files/shares/wpkg/files/packages/
 /bin/rm -rf %{buildroot}
 
 %changelog
+* Thu Jun 7 2012 Daniel Berteaud <daniel@firewall-services.com> 10.0.5esr-1
+- Change version scheme
+
 * Wed Jun 6 2012 Daniel Berteaud <daniel@firewall-services.com> 0.1+10.0.5esr-1
 - update to 10.0.5esr