diff --git a/src/agnocastlib/include/agnocast_subscription.hpp b/src/agnocastlib/include/agnocast_subscription.hpp
index 58bdb09f..99948f70 100644
--- a/src/agnocastlib/include/agnocast_subscription.hpp
+++ b/src/agnocastlib/include/agnocast_subscription.hpp
@@ -79,7 +79,8 @@ class Subscription : public SubscriptionBase
     auto node_base = node->get_node_base_interface();
     rclcpp::CallbackGroup::SharedPtr callback_group = get_valid_callback_group(node_base, options);
     uint32_t local_topic_id = agnocast::register_callback(
-      callback, topic_name_, static_cast<uint32_t>(qos.depth()), mq, callback_group);
+      callback, topic_name_, static_cast<uint32_t>(qos.depth()), mq,
+      callback_group);  // cppcheck-suppress unreadVariable
 
 #ifdef TRACETOOLS_LTTNG_ENABLED
     uint64_t pid_ltid = (static_cast<uint64_t>(subscriber_pid_) << 32) | local_topic_id;
diff --git a/src/agnocastlib/src/agnocast_executor.cpp b/src/agnocastlib/src/agnocast_executor.cpp
index 76d34acb..3653cc09 100644
--- a/src/agnocastlib/src/agnocast_executor.cpp
+++ b/src/agnocastlib/src/agnocast_executor.cpp
@@ -130,7 +130,6 @@ bool AgnocastExecutor::get_next_agnocast_executables(
     exit(EXIT_FAILURE);
   }
 
-  uint64_t pid_ltid = (static_cast<uint64_t>(my_pid_) << 32) | topic_local_id;
   for (int32_t i = static_cast<int32_t>(receive_args.ret_len) - 1; i >= 0;
        i--) {  // older messages first
     const auto callable = agnocast::create_callable(
@@ -138,6 +137,7 @@ bool AgnocastExecutor::get_next_agnocast_executables(
       receive_args.ret_publisher_pids[i], receive_args.ret_timestamps[i], topic_local_id);
 
 #ifdef TRACETOOLS_LTTNG_ENABLED
+    uint64_t pid_ltid = (static_cast<uint64_t>(my_pid_) << 32) | topic_local_id;
     TRACEPOINT(
       agnocast_create_callable, static_cast<const void *>(callable.get()),
       reinterpret_cast<void *>(receive_args.ret_last_msg_addrs[i]), receive_args.ret_timestamps[i],