diff --git a/src/Server.php b/src/Server.php
index d31cd45..ab5b992 100644
--- a/src/Server.php
+++ b/src/Server.php
@@ -82,13 +82,23 @@ public function serve(WorkerInterface $worker = null, callable $finalize = null)
 
                 $response = $this->invoke($call->service, $call->method, $context, $request->body);
 
-                /** @var ResponseHeaders|null $responseHeaders */
+                /** @var ?ResponseHeaders $responseHeaders */
                 $responseHeaders = $context->getValue(ResponseHeaders::class);
                 $responseHeadersString = $responseHeaders ? $responseHeaders->packHeaders() : '{}';
 
                 $this->workerSend($worker, $response, $responseHeadersString);
             } catch (GRPCExceptionInterface $e) {
-                $this->workerGrpcError($worker, $context, $e);
+                /** @var ?ResponseHeaders $responseHeaders */
+                $responseHeaders = $context?->getValue(ResponseHeaders::class);
+
+                $this->workerSend(
+                    $worker,
+                    '',
+                    Json::encode([
+                        'error' => $this->createGrpcError($e),
+                        'headers' => $responseHeaders->getHeaders(),
+                    ]),
+                );
             } catch (\Throwable $e) {
                 $this->workerError($worker, $this->isDebugMode() ? (string)$e : $e->getMessage());
             } finally {
@@ -128,11 +138,8 @@ private function workerSend(WorkerInterface $worker, string $body, string $heade
         $worker->respond(new Payload($body, $headers));
     }
 
-    private function workerGrpcError(
-        WorkerInterface        $worker,
-        ?ContextInterface      $context,
-        GRPCExceptionInterface $e
-    ): void {
+    private function createGrpcError(GRPCExceptionInterface $e): string
+    {
         $status = new Status([
             'code' => $e->getCode(),
             'message' => $e->getMessage(),
@@ -147,17 +154,7 @@ static function ($detail) {
             ),
         ]);
 
-        /** @var ?ResponseHeaders $responseHeaders */
-        $responseHeaders = $context?->getValue(ResponseHeaders::class);
-
-        $this->workerSend(
-            $worker,
-            '',
-            Json::encode([
-                'error' => \base64_encode($status->serializeToString()),
-                'headers' => $responseHeaders->getHeaders(),
-            ]),
-        );
+        return \base64_encode($status->serializeToString());
     }
 
     /**