diff --git a/app/models/manageiq/providers/kubernetes/container_manager/refresh_worker/watch_thread.rb b/app/models/manageiq/providers/kubernetes/container_manager/refresh_worker/watch_thread.rb
index d3bcc228a2..6d46546f1e 100644
--- a/app/models/manageiq/providers/kubernetes/container_manager/refresh_worker/watch_thread.rb
+++ b/app/models/manageiq/providers/kubernetes/container_manager/refresh_worker/watch_thread.rb
@@ -31,7 +31,7 @@ def stop!(join_limit = 10.seconds)
 
     finish.make_true
     watch&.finish rescue nil
-    thread&.join(join_limit)
+    thread&.join(join_limit.to_f)
   end
 
   protected