diff --git a/packages/types/src/telemetry.ts b/packages/types/src/telemetry.ts
index f8b3e207380..29612d42a2f 100644
--- a/packages/types/src/telemetry.ts
+++ b/packages/types/src/telemetry.ts
@@ -112,6 +112,7 @@ export type AppProperties = z.infer<typeof appPropertiesSchema>
 
 export const taskPropertiesSchema = z.object({
 	taskId: z.string().optional(),
+	parentTaskId: z.string().optional(),
 	apiProvider: z.enum(providerNames).optional(),
 	modelId: z.string().optional(),
 	diffStrategy: z.string().optional(),
diff --git a/src/core/webview/ClineProvider.ts b/src/core/webview/ClineProvider.ts
index 2c20d0939c2..6a7a84b74b9 100644
--- a/src/core/webview/ClineProvider.ts
+++ b/src/core/webview/ClineProvider.ts
@@ -2756,6 +2756,7 @@ export class ClineProvider
 			language,
 			mode,
 			taskId: task?.taskId,
+			parentTaskId: task?.parentTask?.taskId,
 			apiProvider: apiConfiguration?.apiProvider,
 			modelId: task?.api?.getModel().id,
 			diffStrategy: task?.diffStrategy?.getName(),