diff --git a/changelogs/unreleased/51782-fix_rename_login_namespace_migration.yml b/changelogs/unreleased/51782-fix_rename_login_namespace_migration.yml
new file mode 100644
index 0000000000000000000000000000000000000000..692edb5ded4c01dcd8ada597d38cee59dba133ed
--- /dev/null
+++ b/changelogs/unreleased/51782-fix_rename_login_namespace_migration.yml
@@ -0,0 +1,5 @@
+---
+title: Fix migration to avoid an exception during upgrade
+merge_request: 22055
+author:
+type: fixed
diff --git a/db/post_migrate/20180816193530_rename_login_root_namespaces.rb b/db/post_migrate/20180816193530_rename_login_root_namespaces.rb
index b0c1fb98fa8a782cb7cdcb40ef0d5cb50719267e..4ab1250473f52bb0f4f6111a7f9f6c129387da07 100644
--- a/db/post_migrate/20180816193530_rename_login_root_namespaces.rb
+++ b/db/post_migrate/20180816193530_rename_login_root_namespaces.rb
@@ -5,6 +5,8 @@ class RenameLoginRootNamespaces < ActiveRecord::Migration
 
   DOWNTIME = false
 
+  disable_ddl_transaction!
+
   # We're taking over the /login namespace as part of a fix for the Jira integration
   def up
     disable_statement_timeout do