diff --git a/fkie_node_manager_daemon/fkie_node_manager_daemon/launch_servicer.py b/fkie_node_manager_daemon/fkie_node_manager_daemon/launch_servicer.py
index 43ed2ed5..7721be89 100644
--- a/fkie_node_manager_daemon/fkie_node_manager_daemon/launch_servicer.py
+++ b/fkie_node_manager_daemon/fkie_node_manager_daemon/launch_servicer.py
@@ -179,8 +179,9 @@ def on_any_event(self, event: FileSystemEvent):
             for launch_path, path_list in self._observed_launch_files.items():
                 if event.src_path in path_list:
                     affected_launch_files.append(launch_path)
-            change_event = {event.event_type: event.src_path,
-                            'affected': affected_launch_files}
+            change_event = {"eventType": event.event_type,
+                            "srcPath": event.src_path,
+                            "affected": affected_launch_files}
             Log.debug(
                 f"{self.__class__.__name__}: observed change {event.event_type} on {event.src_path}")
             self.publish_to('ros.path.changed', change_event)
diff --git a/fkie_node_manager_daemon/src/fkie_node_manager_daemon/launch_servicer.py b/fkie_node_manager_daemon/src/fkie_node_manager_daemon/launch_servicer.py
index 4487402b..052298b4 100644
--- a/fkie_node_manager_daemon/src/fkie_node_manager_daemon/launch_servicer.py
+++ b/fkie_node_manager_daemon/src/fkie_node_manager_daemon/launch_servicer.py
@@ -215,7 +215,8 @@ def on_any_event(self, event: FileSystemEvent):
                 if event.src_path in path_list:
                     affected_launch_files.append(launch_path)
             change_event = {
-                event.event_type: event.src_path,
+                "eventType": event.event_type,
+                "srcPath": event.src_path,
                 "affected": affected_launch_files,
             }
             Log.debug("observed change %s on %s" % (event.event_type, event.src_path))