diff --git a/packages/workflow/src/interfaces.ts b/packages/workflow/src/interfaces.ts
index 514afdcf04..6510a7dac9 100644
--- a/packages/workflow/src/interfaces.ts
+++ b/packages/workflow/src/interfaces.ts
@@ -2633,6 +2633,7 @@ export interface INodeGraphItem {
 	runs?: number;
 	items_total?: number;
 	metric_names?: string[];
+	language?: string; // only for Code node: 'javascript' or 'python'
 }
 
 export interface INodeNameIndex {
diff --git a/packages/workflow/src/telemetry-helpers.ts b/packages/workflow/src/telemetry-helpers.ts
index dd4322a8b8..30cc0567cd 100644
--- a/packages/workflow/src/telemetry-helpers.ts
+++ b/packages/workflow/src/telemetry-helpers.ts
@@ -5,6 +5,7 @@ import {
 	CHAIN_LLM_LANGCHAIN_NODE_TYPE,
 	CHAIN_SUMMARIZATION_LANGCHAIN_NODE_TYPE,
 	CHAT_TRIGGER_NODE_TYPE,
+	CODE_NODE_TYPE,
 	EVALUATION_NODE_TYPE,
 	EVALUATION_TRIGGER_NODE_TYPE,
 	EXECUTE_WORKFLOW_NODE_TYPE,
@@ -418,6 +419,10 @@ export function generateNodesGraph(
 			nodeItem.metric_names = (metrics.assignments as Array<{ name: string }> | undefined)?.map(
 				(metric: { name: string }) => metric.name,
 			);
+		} else if (node.type === CODE_NODE_TYPE) {
+			const { language } = node.parameters;
+			nodeItem.language =
+				language === undefined ? 'javascript' : language === 'python' ? 'python' : 'unknown';
 		} else {
 			try {
 				const nodeType = nodeTypes.getByNameAndVersion(node.type, node.typeVersion);