diff --git a/hamlib.spec b/hamlib.spec
index 07a99ba..a3c3322 100644
--- a/hamlib.spec
+++ b/hamlib.spec
@@ -21,10 +21,10 @@ Summary:        Run-time library to control radio transceivers and receivers
 
 License:        GPLv2+ and LGPLv2+
 URL:            http://www.hamlib.org
-%if %{githash}
-Source0:        https://github.com/Hamlib/Hamlib/archive/%{githash}/%{name}-%{version}%{rel_string}.tar.gz
-%else
+%if "%{githash}" == "0"
 Source0:        http://downloads.sourceforge.net/%{name}/%{name}-%{version}.tar.gz
+%else
+Source0:        https://github.com/Hamlib/Hamlib/archive/%{githash}/%{name}-%{shorthash}.tar.gz
 %endif
 
 Patch0:         hamlib-4.0-perl_install.patch