diff --git a/src/components/nodes/boundaryTimerEvent/index.js b/src/components/nodes/boundaryTimerEvent/index.js
index 3ff3b102f..9b2b31e36 100644
--- a/src/components/nodes/boundaryTimerEvent/index.js
+++ b/src/components/nodes/boundaryTimerEvent/index.js
@@ -65,6 +65,9 @@ export default merge(cloneDeep(boundaryEventConfig), {
         const eventDefinitions = [
           moddle.create('bpmn:TimerEventDefinition', eventDefinition),
         ];
+
+        eventDefinitions[0].id = node.definition.get('eventDefinitions')[0].id;
+
         setNodeProp(node, 'eventDefinitions', eventDefinitions);
       } else {
         setNodeProp(node, key, value[key]);