diff --git a/apps/webapp/app/services/endpoints/performEndpointIndexService.ts b/apps/webapp/app/services/endpoints/performEndpointIndexService.ts
index 6c31280d7..c3f91a1fe 100644
--- a/apps/webapp/app/services/endpoints/performEndpointIndexService.ts
+++ b/apps/webapp/app/services/endpoints/performEndpointIndexService.ts
@@ -324,7 +324,7 @@ export class PerformEndpointIndexService {
       for (const webhook of webhooks) {
         try {
           await this.#registerWebhookService.call(endpoint, webhook);
-          indexStats.webhooks++;
+          indexStats.webhooks = indexStats.webhooks ?? 0 + 1;
         } catch (error) {
           logger.error("Failed to register webhook", {
             endpointId: endpoint.id,
diff --git a/packages/core/src/schemas/api.ts b/packages/core/src/schemas/api.ts
index fddbb67a2..c09410b33 100644
--- a/packages/core/src/schemas/api.ts
+++ b/packages/core/src/schemas/api.ts
@@ -398,7 +398,7 @@ export type EndpointIndexError = z.infer<typeof EndpointIndexErrorSchema>;
 const IndexEndpointStatsSchema = z.object({
   jobs: z.number(),
   sources: z.number(),
-  webhooks: z.number(),
+  webhooks: z.number().optional(),
   dynamicTriggers: z.number(),
   dynamicSchedules: z.number(),
   disabledJobs: z.number().default(0),