diff --git a/rclcpp/include/rclcpp/intra_process_manager_impl.hpp b/rclcpp/include/rclcpp/intra_process_manager_impl.hpp
index c63e2a7..9cd5951 100644
--- a/rclcpp/include/rclcpp/intra_process_manager_impl.hpp
+++ b/rclcpp/include/rclcpp/intra_process_manager_impl.hpp
@@ -254,7 +254,7 @@ private:
       std::hash<uint64_t>, std::equal_to<uint64_t>,
       RebindAlloc<std::pair<const uint64_t, subscription::SubscriptionBase::WeakPtr>>>;
   using IDTopicMap = std::map<std::string, AllocSet,
-      std::less<std::string>, RebindAlloc<std::pair<std::string, AllocSet>>>;
+      std::less<std::string>, RebindAlloc<std::pair<const std::string, AllocSet>>>;
 
   SubscriptionMap subscriptions_;