diff --git a/lib/scheduler/defer.rb b/lib/scheduler/defer.rb
index 7a2e8f53cb4..f8f37090bb2 100644
--- a/lib/scheduler/defer.rb
+++ b/lib/scheduler/defer.rb
@@ -74,6 +74,8 @@ module Scheduler
       end
     rescue => ex
       Discourse.handle_job_exception(ex, message: "Processing deferred code queue")
+    ensure
+      ActiveRecord::Base.connection_handler.clear_active_connections!
     end
   end