From 3a74946f63edcaca6e990ba95f576861f4a21430 Mon Sep 17 00:00:00 2001
From: Weixie Cui <cuiweixie@gmail.com>
Date: Fri, 20 Feb 2026 14:00:08 +0800
Subject: [PATCH] fix: if indexOf return 0 will if will be falsy

---
 packages/microservices/server/server-grpc.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/microservices/server/server-grpc.ts b/packages/microservices/server/server-grpc.ts
index 426661fb0..8dd371e7d 100644
--- a/packages/microservices/server/server-grpc.ts
+++ b/packages/microservices/server/server-grpc.ts
@@ -472,7 +472,7 @@ export class ServerGrpc extends Server<never, never> {
               .toLowerCase()
               .indexOf('cancelled');
 
-            if (isCancelledError) {
+            if (isCancelledError !== -1) {
               call.end();
               return;
             }