diff --git a/integration/grpc-web-no-streaming-observable/example.ts b/integration/grpc-web-no-streaming-observable/example.ts
index 3c2bdc5f2..ea9642f05 100644
--- a/integration/grpc-web-no-streaming-observable/example.ts
+++ b/integration/grpc-web-no-streaming-observable/example.ts
@@ -429,7 +429,7 @@ function isSet(value: any): boolean {
   return value !== null && value !== undefined;
 }
 
-export class GrpcWebError extends Error {
+export class GrpcWebError extends globalThis.Error {
   constructor(message: string, public code: grpc.Code, public metadata: grpc.Metadata) {
     super(message);
   }
diff --git a/integration/grpc-web-no-streaming/example.ts b/integration/grpc-web-no-streaming/example.ts
index bbf9663cd..834263b73 100644
--- a/integration/grpc-web-no-streaming/example.ts
+++ b/integration/grpc-web-no-streaming/example.ts
@@ -426,7 +426,7 @@ function isSet(value: any): boolean {
   return value !== null && value !== undefined;
 }
 
-export class GrpcWebError extends Error {
+export class GrpcWebError extends globalThis.Error {
   constructor(message: string, public code: grpc.Code, public metadata: grpc.Metadata) {
     super(message);
   }
diff --git a/integration/grpc-web/example.ts b/integration/grpc-web/example.ts
index 52a451c85..75c03351e 100644
--- a/integration/grpc-web/example.ts
+++ b/integration/grpc-web/example.ts
@@ -903,7 +903,7 @@ function isSet(value: any): boolean {
   return value !== null && value !== undefined;
 }
 
-export class GrpcWebError extends Error {
+export class GrpcWebError extends globalThis.Error {
   constructor(message: string, public code: grpc.Code, public metadata: grpc.Metadata) {
     super(message);
   }
diff --git a/src/main.ts b/src/main.ts
index d083f73cf..cc4863be7 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -702,7 +702,7 @@ function makeGrpcWebErrorClass() {
   const GrpcWebError = conditionalOutput(
     "GrpcWebError",
     code`
-      export class GrpcWebError extends Error {
+      export class GrpcWebError extends globalThis.Error {
         constructor(message: string, public code: grpc.Code, public metadata: grpc.Metadata) {
           super(message);
         }