diff --git a/cypress/e2e/30-langchain.cy.ts b/cypress/e2e/30-langchain.cy.ts
index fb453816f6..43f6e0453c 100644
--- a/cypress/e2e/30-langchain.cy.ts
+++ b/cypress/e2e/30-langchain.cy.ts
@@ -359,6 +359,14 @@ describe('Langchain Integration', () => {
 		getConnectionBySourceAndTarget(CHAT_TRIGGER_NODE_DISPLAY_NAME, AGENT_NODE_NAME).should('exist');
 		getNodes().should('have.length', 3);
 	});
+	it('should not auto-add nodes if ChatTrigger is already present', () => {
+		addNodeToCanvas(MANUAL_CHAT_TRIGGER_NODE_NAME, true);
+		addNodeToCanvas(AGENT_NODE_NAME, true);
+
+		addNodeToCanvas(AI_LANGUAGE_MODEL_OPENAI_CHAT_MODEL_NODE_NAME, true);
+		getConnectionBySourceAndTarget(CHAT_TRIGGER_NODE_DISPLAY_NAME, AGENT_NODE_NAME).should('exist');
+		getNodes().should('have.length', 3);
+	});
 	it('should render runItems for sub-nodes and allow switching between them', () => {
 		const workflowPage = new WorkflowPage();
 		const ndv = new NDV();