diff --git a/lib/features/bpmn-modeling/BpmnFactory.js b/lib/features/bpmn-modeling/BpmnFactory.js
index 01957a5c..b97b3099 100644
--- a/lib/features/bpmn-modeling/BpmnFactory.js
+++ b/lib/features/bpmn-modeling/BpmnFactory.js
@@ -89,8 +89,8 @@ BpmnFactory.prototype.createDiEdge = function(sequenceFlow, points, attrs) {
 
 
 BpmnFactory.prototype.disconnectSequenceFlow = function(sequenceFlow) {
-  Collections.remove(sequenceFlow.sourceRef && sequenceFlow.sourceRef.get('outgoing'), sequenceFlow.sourceRef);
-  Collections.remove(sequenceFlow.targetRef && sequenceFlow.targetRef.get('incoming'), sequenceFlow.targetRef);
+  Collections.remove(sequenceFlow.sourceRef && sequenceFlow.sourceRef.get('outgoing'), sequenceFlow);
+  Collections.remove(sequenceFlow.targetRef && sequenceFlow.targetRef.get('incoming'), sequenceFlow);
 
   _.extend(sequenceFlow, {
     sourceRef: null,
diff --git a/test/spec/browser/features/bpmn-modeling/BpmnModelingSpec.js b/test/spec/browser/features/bpmn-modeling/BpmnModelingSpec.js
index b9c28b0e..95e89509 100644
--- a/test/spec/browser/features/bpmn-modeling/BpmnModelingSpec.js
+++ b/test/spec/browser/features/bpmn-modeling/BpmnModelingSpec.js
@@ -179,6 +179,10 @@ describe('features - bpmn-modeling', function() {
           // then
           expect(connection.sourceRef).toBe(null);
           expect(connection.targetRef).toBe(null);
+
+          expect(startEvent.get('outgoing')).not.toContain(connection);
+          expect(target.get('incoming')).not.toContain(connection);
+
           expect(connection.$parent).toBe(null);
           expect(subProcess.di.$parent.get('planeElement')).not.toContain(connection.di);