diff --git a/mypaint.spec b/mypaint.spec
index 36940fe..7c77872 100644
--- a/mypaint.spec
+++ b/mypaint.spec
@@ -12,7 +12,9 @@ License:        GPLv2+ and LGPLv2+ and CC-BY
 URL:            http://mypaint.intilinux.com/
 Source0:        http://download.gna.org/mypaint/%{name}-%{version}.tar.bz2
 Source1:        http://mypaintatelier.googlecode.com/files/ramon2.zip
-Source2:        http://mypaintatelier.googlecode.com/files/Concept%20Design.zip
+# we just use the basename because koji doesn't like the URL
+# http://mypaintatelier.googlecode.com/files/Concept%20Design.zip
+Source2:        Concept%20Design.zip
 BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 BuildRequires:  python-devel, gtk2-devel, pygtk2-devel