diff --git a/app/models/miq_server/worker_management/monitor.rb b/app/models/miq_server/worker_management/monitor.rb
index c13bc816dea..14bdf236ad1 100644
--- a/app/models/miq_server/worker_management/monitor.rb
+++ b/app/models/miq_server/worker_management/monitor.rb
@@ -50,6 +50,8 @@ def sync_workers
     self.class.monitor_class_names.each do |class_name|
       begin
         c = class_name.constantize
+        raise NameError, "Constant problem: expected: #{class_name}, constantized: #{c.name}" unless c.name == class_name
+
         c.ensure_systemd_files if c.systemd_worker?
         result[c.name] = c.sync_workers
         result[c.name][:adds].each { |pid| worker_add(pid) unless pid.nil? }
diff --git a/spec/models/miq_server/worker_management/monitor_spec.rb b/spec/models/miq_server/worker_management/monitor_spec.rb
index 09565987532..e09cd0e2368 100644
--- a/spec/models/miq_server/worker_management/monitor_spec.rb
+++ b/spec/models/miq_server/worker_management/monitor_spec.rb
@@ -33,6 +33,20 @@
 
     context "#sync_workers" do
       let(:server) { EvmSpecHelper.local_miq_server }
+
+      it "ensures only expected worker classes are constantized" do
+        # Autoload abstract base class for the event catcher
+        ManageIQ::Providers::BaseManager::EventCatcher
+
+        # We'll try to constantize a non-existing EventCatcher class in an existing namespace,
+        # which incorrectly resolves to the base manager event catcher.
+        allow(MiqServer).to receive(:monitor_class_names).and_return(%w[ManageIQ::Providers::Foreman::ProvisioningManager::EventCatcher MiqGenericWorker])
+
+        expect(ManageIQ::Providers::BaseManager::EventCatcher).not_to receive(:sync_workers)
+        expect(MiqGenericWorker).to receive(:sync_workers).and_return(:adds => [111])
+        expect(server.sync_workers).to eq("MiqGenericWorker"=>{:adds=>[111]})
+      end
+
       it "rescues exceptions and moves on" do
         allow(MiqServer).to receive(:monitor_class_names).and_return(%w(MiqGenericWorker MiqPriorityWorker))
         allow(MiqGenericWorker).to receive(:sync_workers).and_raise