diff --git a/openSUSE-MicroOS-release.spec.in b/openSUSE-MicroOS-release.spec.in
index bf82868..d34b070 100644
--- a/openSUSE-MicroOS-release.spec.in
+++ b/openSUSE-MicroOS-release.spec.in
@@ -87,6 +87,19 @@ ln -s ..%{_libexecdir}/os-release %{buildroot}%{_sysconfdir}/os-release
 
 ___CREATE_PRODUCT_FILES___
 
+%post
+# Update from openSUSE-Tumbleweed-Kubic to openSUSE-MicroOS
+# Fix the baseproduct symlink and make sure, it exists
+if [ -L /etc/products.d/baseproduct ] ; then
+    PRODLINK=$(basename $(readlink -f /etc/products.d/baseproduct))
+    if [ "$PRODLINK"  == "openSUSE-Tumbleweed-Kubic.prod" ]; then
+      rm -f /etc/products.d/baseproduct
+    fi
+fi
+if [ ! -e /etc/products.d/baseproduct ]; then
+    ln -sf openSUSE-MicroOS.prod /etc/products.d/baseproduct
+fi
+
 %files
 %defattr(644,root,root,755)
 %{_sysconfdir}/os-release