diff --git a/pangomm.spec b/pangomm.spec
index 94b5689..5cc0e70 100644
--- a/pangomm.spec
+++ b/pangomm.spec
@@ -1,4 +1,6 @@
 %define apiver 1.4
+# first two digits of version
+%define release_version %(echo %{version} | awk -F. '{print $1"."$2}')
 
 Name:           pangomm
 Version:        2.27.1
@@ -8,7 +10,7 @@ Summary:        C++ interface for Pango
 Group:          System Environment/Libraries
 License:        LGPLv2+
 URL:            http://www.gtkmm.org/
-Source0:        http://ftp.gnome.org/pub/GNOME/sources/pangomm/2.26/%{name}-%{version}.tar.bz2
+Source0:        http://ftp.gnome.org/pub/GNOME/sources/pangomm/%{release_version}/%{name}-%{version}.tar.bz2
 BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 BuildRequires:  glibmm24-devel >= 2.14.1
@@ -94,6 +96,7 @@ rm -rf $RPM_BUILD_ROOT
 %changelog
 * Thu Jan 13 2011 Kalev Lember <kalev@smartlink.ee> - 2.27.1-1
 - Update to 2.27.1
+- Use macro for figuring out first two digits of version
 
 * Wed Sep 29 2010 jkeating - 2.26.2-3
 - Rebuilt for gcc bug 634757