diff --git a/ChangeLog b/ChangeLog
index e1c81e8..6f29f9b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2007-06-20  Richard B. Kreckel  <kreckel@ginac.de>
+
+	* cln.spec.in (Source0): Package is bzip2-compressed.
+	Reported by Markus Grabner <grabner@icg.tugraz.at>.
+
 2007-05-31  Richard B. Kreckel  <kreckel@ginac.de>
 
 	* include/cln/integer.h (cl_I_to_E, cl_I_to_UE): New functions.
diff --git a/cln.spec.in b/cln.spec.in
index c89e93f..e6b2dde 100644
--- a/cln.spec.in
+++ b/cln.spec.in
@@ -8,7 +8,7 @@ Version: %{version}
 Release: %{release}
 License: GPL
 Group: System Environment/Libraries
-Source0: %{name}-%{version}.tar.gz
+Source0: %{name}-%{version}.tar.bz2
 URL: http://www.ginac.de/CLN/
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 Prefix: %{_prefix}
@@ -80,6 +80,8 @@ fi
 %{_datadir}/aclocal/cln.m4
 
 %changelog
+* Wed Jun 20 2007 Markus Grabner <grabner@icg.tugraz.at>
+  Source0 is bzip2-compressed
 * Tue Oct 25 2005 Christian Bauer <Christian.Bauer@uni-mainz.de>
   - "Copyright:" -> "License:"
   - Fixed broken install-info command