diff --git a/src/platform/telemetry/providers/cloud/MixpanelTelemetryProvider.ts b/src/platform/telemetry/providers/cloud/MixpanelTelemetryProvider.ts
index e0fd279559..a669235011 100644
--- a/src/platform/telemetry/providers/cloud/MixpanelTelemetryProvider.ts
+++ b/src/platform/telemetry/providers/cloud/MixpanelTelemetryProvider.ts
@@ -175,6 +175,7 @@ export class MixpanelTelemetryProvider implements TelemetryProvider {
       subscribe_to_run: options?.subscribe_to_run || false,
       workflow_type: executionContext.is_template ? 'template' : 'custom',
       workflow_name: executionContext.workflow_name ?? 'untitled',
+      custom_node_count: executionContext.custom_node_count,
       total_node_count: executionContext.total_node_count,
       subgraph_count: executionContext.subgraph_count,
       has_api_nodes: executionContext.has_api_nodes,
diff --git a/src/platform/telemetry/types.ts b/src/platform/telemetry/types.ts
index 1ede515c28..fd9225c2cc 100644
--- a/src/platform/telemetry/types.ts
+++ b/src/platform/telemetry/types.ts
@@ -42,6 +42,7 @@ export interface RunButtonProperties {
   subscribe_to_run: boolean
   workflow_type: 'template' | 'custom'
   workflow_name: string
+  custom_node_count: number
   total_node_count: number
   subgraph_count: number
   has_api_nodes: boolean