--- a/MozillaFirefox/MozillaFirefox.spec	Fri Jun 08 22:48:29 2018 +0200
+++ b/MozillaFirefox/MozillaFirefox.spec	Sat Jun 09 09:37:05 2018 +0200
@@ -18,12 +18,14 @@
 
 
 # changed with every update
-%define major 60
-%define mainver %major.99
+%define major          60
+%define mainver        %major.99
+%define orig_version   61.0
+%define orig_suffix    b12
 %define update_channel beta
-%define branding 1
-%define releasedate 20180607135512
-%define source_prefix firefox-%{mainver}
+%define branding       1
+%define releasedate    20180607135512
+%define source_prefix  firefox-%{orig_version}
 
 # PIE, full relro (x86_64 for now)
 %define build_hardened 1
@@ -124,13 +126,13 @@
 License:        MPL-2.0
 Group:          Productivity/Networking/Web/Browsers
 Url:            http://www.mozilla.org/
-Source:         http://ftp.mozilla.org/pub/firefox/releases/%{version}/source/firefox-%{version}.source.tar.xz
+Source:         http://ftp.mozilla.org/pub/firefox/releases/%{version}/source/firefox-%{orig_version}%{orig_suffix}.source.tar.xz
 Source1:        MozillaFirefox.desktop
 Source2:        MozillaFirefox-rpmlintrc
 Source3:        mozilla.sh.in
 Source5:        source-stamp.txt
 Source6:        kde.js
-Source7:        l10n-%{version}.tar.xz
+Source7:        l10n-%{orig_version}%{orig_suffix}.tar.xz
 Source8:        firefox-mimeinfo.xml
 Source9:        firefox.js
 Source10:       compare-locales.tar.xz
@@ -145,7 +147,7 @@
 # please get your own set of keys.
 Source18:       mozilla-api-key
 Source19:       google-api-key
-Source20:       http://ftp.mozilla.org/pub/firefox/releases/%{version}/source/firefox-%{version}.source.tar.xz.asc
+Source20:       http://ftp.mozilla.org/pub/firefox/releases/%{version}/source/firefox-%{orig_version}%{orig_suffix}.source.tar.xz.asc
 Source21:       mozilla.keyring
 # Gecko/Toolkit
 Patch1:         mozilla-nongnome-proxies.patch