diff --git a/index.d.ts b/index.d.ts
index c7c482d..984061a 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -31,7 +31,7 @@ export interface Options<IM = IncomingMessage, SR = ServerResponse, CustomLevels
     customLogLevel?: ((req: IM, res: SR, error?: Error) => pino.LevelWithSilent | CustomLevels) | undefined;
     customReceivedMessage?: ((req: IM, res: SR) => string) | undefined;
     customSuccessMessage?: ((req: IM, res: SR, responseTime: number) => string) | undefined;
-    customErrorMessage?: ((req: IM, res: SR, error: Error) => string) | undefined;
+    customErrorMessage?: ((req: IM, res: SR, error: Error, responseTime: number) => string) | undefined;
     customReceivedObject?: ((req: IM, res: SR, val?: any) => any) | undefined;
     customSuccessObject?: ((req: IM, res: SR, val: any) => any) | undefined;
     customErrorObject?: ((req: IM, res: SR, error: Error, val: any) => any) | undefined;
diff --git a/index.test-d.ts b/index.test-d.ts
index 8b10fb1..da8c7a3 100644
--- a/index.test-d.ts
+++ b/index.test-d.ts
@@ -46,8 +46,9 @@ pinoHttp({ customSuccessMessage: (req: IncomingMessage, res: ServerResponse) =>
 pinoHttp<CustomRequest, CustomResponse>({ customSuccessMessage: (req: CustomRequest, res: CustomResponse) => 'Success' });
 
 // #customErrorMessage
-pinoHttp({ customErrorMessage: (req: IncomingMessage, res: ServerResponse, error: Error) => `Error - ${error}` });
-pinoHttp<CustomRequest, CustomResponse>({ customErrorMessage: (req: CustomRequest, res: CustomResponse, error: Error) => `Error - ${error}` });
+pinoHttp({ customErrorMessage: (req: IncomingMessage, res: ServerResponse, error: Error, responseTime:number) => `Error - ${error.message} after ${responseTime}ms` });
+pinoHttp<CustomRequest, CustomResponse>({ customErrorMessage: (req: CustomRequest, res: CustomResponse, error: Error, responseTime:number) => `Error - ${error.message} after ${responseTime}ms` });
+
 
 // #customAttributeKeys
 pinoHttp({ customAttributeKeys: { req: 'req' } });
@@ -150,7 +151,7 @@ const options: Options = {
     return `Received HTTP ${req.httpVersion} ${req.method}`;
   }),
   customSuccessMessage: canBeUndefined((req: IncomingMessage, res: ServerResponse) => 'successMessage'),
-  customErrorMessage: canBeUndefined((req: IncomingMessage, res: ServerResponse, error: Error) => 'errorMessage'),
+  customErrorMessage: canBeUndefined((req: IncomingMessage, res: ServerResponse, error: Error, responseTime: number) => 'errorMessage'),
   customAttributeKeys: canBeUndefined(customAttributeKeys),
   wrapSerializers: canBeUndefined(rtnBool()),
   customProps: canBeUndefined((req: IncomingMessage, res: ServerResponse) => ({} as object)),