diff --git a/example/cpp03/invocation/prioritised_handlers.cpp b/example/cpp03/invocation/prioritised_handlers.cpp
index ef3ca8b727..b2b2f6b383 100644
--- a/example/cpp03/invocation/prioritised_handlers.cpp
+++ b/example/cpp03/invocation/prioritised_handlers.cpp
@@ -28,8 +28,8 @@ class handler_priority_queue : public boost::asio::execution_context
     while (!handlers_.empty())
     {
       queued_handler handler = handlers_.top();
-      handler.execute();
       handlers_.pop();
+      handler.execute();
     }
   }