diff --git a/Pmodules_modules.spec b/Pmodules_modules.spec
index df13c87..33bc94e 100644
--- a/Pmodules_modules.spec
+++ b/Pmodules_modules.spec
@@ -7,7 +7,8 @@ Release: 1%{?dist}
 Group: System Environment
 License: GPLv2
 Url: https://modules.readthedocs.io/h
-Source0: https://amas.web.psi.ch/Downloads/modules/modules-%{version}.tar.bz2
+#Source0: https://amas.web.psi.ch/Downloads/modules/modules-%{version}.tar.bz2
+Source0: https://amas.web.psi.ch/Downloads/modules/modules-%{version}.tar.gz
 
 BuildRequires: autoconf, gcc, tcl-devel