diff --git a/src/full_topology/src/simple.cpp b/src/full_topology/src/simple.cpp
index 9a1146a..8cf4328 100644
--- a/src/full_topology/src/simple.cpp
+++ b/src/full_topology/src/simple.cpp
@@ -98,7 +98,7 @@ int main(int argc, char **argv)
   #ifdef MULTI_THREADED
     // Create a multi-threaded executor to handle all nodes
     std::cout << "multi threaded ros default" << std::endl;
-    rclcpp::executors::MultiThreadedExecutor executor;
+    rclcpp::executors::MultiThreadedExecutor executor{{}, 2};
   #else
     // Create a single-threaded executor to handle all nodes
     std::cout << "single threaded ros default" << std::endl;