diff --git a/examples/server/server.cpp b/examples/server/server.cpp
index 08bf0070a19a6..bc5e02a30d5a0 100644
--- a/examples/server/server.cpp
+++ b/examples/server/server.cpp
@@ -474,6 +474,7 @@ struct server_queue {
             queue_tasks_deferred.pop_front();
             queue_tasks.push_back(std::move(task));
         }
+        condition_tasks.notify_one();
     }
 
     // end the start_loop routine