diff --git a/openSUSE-release.spec.in b/openSUSE-release.spec.in
index d6d3327..f193337 100644
--- a/openSUSE-release.spec.in
+++ b/openSUSE-release.spec.in
@@ -231,6 +231,11 @@ elif [ -f %{_prefix}/lib/skelcd/CD1/control.xml ]; then
   install -m 644 %{_prefix}/lib/skelcd/CD1/control.xml %{buildroot}%{_sysconfdir}/YaST2/
 fi
 
+# enable vendor change openSUSE,SUSE for DUP from 15.3 to TW (boo#1198332)
+mkdir -p %{buildroot}%{_sysconfdir}/zypp/vendors.d
+echo -e "[main]\nvendors=openSUSE,SUSE,SUSE LLC <https://www.suse.com/>\n" > %{buildroot}%{_sysconfdir}/zypp/vendors.d/00-openSUSE.conf
+
+
 # fate#319341, make openSUSE-release own YaST license files. TODO:
 # get rid of /etc/YaST2/licenses
 install -D -d -m 755 "%{buildroot}%_defaultlicensedir/product/base"
@@ -264,6 +269,7 @@ fi
 # Bug 404141 - /etc/YaST/control.xml should be owned by some package
 %dir %{_sysconfdir}/YaST2/
 %config %{_sysconfdir}/YaST2/control.xml
+%config %{_sysconfdir}/zypp/vendors.d/00-openSUSE.conf
 %{_prefix}/lib/motd.d/welcome
 %dir %{_prefix}/lib/issue.d/
 %{_prefix}/lib/issue.d/10-openSUSE.conf