diff --git a/MozillaFirefox-branding-openSUSE.changes b/MozillaFirefox-branding-openSUSE.changes
index 14f43a3..b253974 100644
--- a/MozillaFirefox-branding-openSUSE.changes
+++ b/MozillaFirefox-branding-openSUSE.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Sun May  5 07:31:47 UTC 2019 - Wolfgang Rosenauer <wr@rosenauer.org>
+
+- recognize Leap 15 via sle_version (required for >= 15.1)
+
 -------------------------------------------------------------------
 Tue Apr 23 09:15:55 UTC 2019 - Wolfgang Rosenauer <wr@rosenauer.org>
 
diff --git a/MozillaFirefox-branding-openSUSE.spec b/MozillaFirefox-branding-openSUSE.spec
index 20ec967..298677d 100644
--- a/MozillaFirefox-branding-openSUSE.spec
+++ b/MozillaFirefox-branding-openSUSE.spec
@@ -45,34 +45,44 @@ BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 %global progdir    %{_libdir}/firefox
 %global libgssapi  libgssapi_krb5.so.2
 
+%global suseversion undefined
 %if %suse_version == 1315
-# Leap 42
-%if %sle_version == 120100
-%global suseversion 42.1
-%else
-%if %sle_version == 120200
-%global suseversion 42.2
-%else
-%if %sle_version == 120300
-%global suseversion 42.3
+  # Leap 42
+  %if %sle_version == 120100
+    %global suseversion 42.1
+  %else
+    %if %sle_version == 120200
+      %global suseversion 42.2
+    %else
+      %if %sle_version == 120300
+        %global suseversion 42.3
+      %endif
+    %endif
+  %endif
 %endif
+%if %suse_version == 1500
+  # Leap 15
+  %if %sle_version == 150000
+    %global suseversion 15.0
+  %else
+    %if %sle_version == 150100
+      %global suseversion 15.1
+    %endif
+  %endif
 %endif
-%endif
-%else
+
 %if %suse_version >= 1550
-# Tumbleweed
-%global suseversion Tumbleweed
-%else
-%global suseversion %(echo -e "scale=1\\n%{suse_version}/100" | bc 2>/dev/null)
-%endif
+  # Tumbleweed
+  %global suseversion Tumbleweed
 %endif
+
 # Leap or not
 %if 0%{?sle_version}
-%global prjname Leap:%{suseversion}
-%global distname openSUSE Leap
+  %global prjname Leap:%{suseversion}
+  %global distname openSUSE Leap
 %else
-%global prjname %{suseversion}
-%global distname openSUSE
+  %global prjname %{suseversion}
+  %global distname openSUSE
 %endif
 
 %global homepage      https://www.opensuse.org/searchPage/