diff --git a/db/schema.rb b/db/schema.rb
index 1806eeed80ec9888e473d368add359f6c008ceeb..8e79469d9564c4093f39bca0bc9e49b6656e78f1 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -2097,7 +2097,7 @@ ActiveRecord::Schema.define(version: 20180430143705) do
   add_foreign_key "ci_pipelines", "ci_pipelines", column: "auto_canceled_by_id", name: "fk_262d4c2d19", on_delete: :nullify
   add_foreign_key "ci_pipelines", "projects", name: "fk_86635dbd80", on_delete: :cascade
   add_foreign_key "ci_runner_namespaces", "ci_runners", column: "runner_id", on_delete: :cascade
-  add_foreign_key "ci_runner_namespaces", "namespaces", column: "namespace_id", on_delete: :cascade
+  add_foreign_key "ci_runner_namespaces", "namespaces", on_delete: :cascade
   add_foreign_key "ci_runner_projects", "projects", name: "fk_4478a6f1e4", on_delete: :cascade
   add_foreign_key "ci_stages", "ci_pipelines", column: "pipeline_id", name: "fk_fb57e6cc56", on_delete: :cascade
   add_foreign_key "ci_stages", "projects", name: "fk_2360681d1d", on_delete: :cascade