diff --git a/configure.ac b/configure.ac
index e592089ff..3ec4d7195 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 AC_INIT(nix, "0.9")
 AC_CONFIG_SRCDIR(README)
 AC_CONFIG_AUX_DIR(config)
-AM_INIT_AUTOMAKE
+AM_INIT_AUTOMAKE([dist-bzip2])
 
 # Change to `1' to produce a `stable' release (i.e., the `preREVISION'
 # suffix is not added).
diff --git a/nix.spec.in b/nix.spec.in
index 423d9ebff..a53e1a1df 100644
--- a/nix.spec.in
+++ b/nix.spec.in
@@ -14,7 +14,7 @@ Release: 1
 License: GPL
 Group: Software Deployment
 URL: http://www.cs.uu.nl/groups/ST/Trace/Nix
-Source0: %{name}-@version@.tar.gz
+Source0: %{name}-@version@.tar.bz2
 BuildRoot: %{_tmppath}/%{name}-%{version}-buildroot
 %define _prefix /nix
 Prefix: %{_prefix}