diff --git a/lib/registration.pm b/lib/registration.pm
index 3daff2645eff..8908c0a34e20 100644
--- a/lib/registration.pm
+++ b/lib/registration.pm
@@ -867,6 +867,11 @@ sub scc_deregistration {
         quit_packagekit;
         wait_for_purge_kernels;
         assert_script_run('SUSEConnect --version');
+        if (get_var('UPGRADE_TARGET_VERSION') == '15-SP3') {
+            # Workaround for bsc#1189543, need register python2 before de-register system
+            record_soft_failure 'bsc#1189543 - Stale python2 module blocks de-registration after system migration';
+            add_suseconnect_product('sle-module-python2');
+        }
         my $deregister_ret = script_run('SUSEConnect --de-register --debug > /tmp/SUSEConnect.debug 2>&1', 300);
         if (defined $deregister_ret and $deregister_ret == 104) {
             # https://bugzilla.suse.com/show_bug.cgi?id=1119512