diff --git a/MozillaFirefox-branding-openSUSE.changes b/MozillaFirefox-branding-openSUSE.changes
index c5ae544..a587d07 100644
--- a/MozillaFirefox-branding-openSUSE.changes
+++ b/MozillaFirefox-branding-openSUSE.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri Dec 18 00:55:52 UTC 2015 - wr@rosenauer.org
+
+- identify Tumbleweed correctly
+
 -------------------------------------------------------------------
 Mon Oct 19 09:54:57 UTC 2015 - wr@rosenauer.org
 
diff --git a/MozillaFirefox-branding-openSUSE.spec b/MozillaFirefox-branding-openSUSE.spec
index 31fd5a9..45edaab 100644
--- a/MozillaFirefox-branding-openSUSE.spec
+++ b/MozillaFirefox-branding-openSUSE.spec
@@ -50,9 +50,13 @@ BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 %define suseversion 42.1
 %define distname openSUSE Leap
 %else
-# openSUSE <= 13.2 & Tumbleweed?
-%define suseversion %(echo -e "scale=1\\n%{suse_version}/100" | bc 2>/dev/null)
 %define distname openSUSE
+%if %suse_version >= 1330
+# Tumbleweed
+%define suseversion Tumbleweed
+%else
+%define suseversion %(echo -e "scale=1\\n%{suse_version}/100" | bc 2>/dev/null)
+%endif
 %endif
 %define homepage https://www.opensuse.org/searchPage/
 %define susefox 0