diff --git a/src/Lunr/Vortex/JPush/JPushReport.php b/src/Lunr/Vortex/JPush/JPushReport.php
index 0271790..8b19436 100644
--- a/src/Lunr/Vortex/JPush/JPushReport.php
+++ b/src/Lunr/Vortex/JPush/JPushReport.php
@@ -159,12 +159,14 @@ public function get_status(string $endpoint): int
      */
     private function report_error(Requests_Response $response, array &$endpoints): void
     {
-        $upstream_msg = NULL;
+        $upstream_msg  = NULL;
+        $upstream_code = NULL;
 
         if (!empty($response->body))
         {
-            $body         = json_decode($response->body, TRUE);
-            $upstream_msg = $body['error']['message'] ?? NULL;
+            $body          = json_decode($response->body, TRUE);
+            $upstream_msg  = $body['error']['message'] ?? NULL;
+            $upstream_code = $body['error']['code'] ?? NULL;
         }
 
         $status = PushNotificationStatus::ERROR;
@@ -172,7 +174,7 @@ private function report_error(Requests_Response $response, array &$endpoints): v
         switch ($response->status_code)
         {
             case 400:
-                if ($upstream_msg === 'Msgid does not exist')
+                if ($upstream_code === 3002)
                 {
                     $status = PushNotificationStatus::DEFERRED;
                 }
diff --git a/src/Lunr/Vortex/JPush/Tests/JPushReportReportErrorTest.php b/src/Lunr/Vortex/JPush/Tests/JPushReportReportErrorTest.php
index 9c1f7cb..440862f 100644
--- a/src/Lunr/Vortex/JPush/Tests/JPushReportReportErrorTest.php
+++ b/src/Lunr/Vortex/JPush/Tests/JPushReportReportErrorTest.php
@@ -99,10 +99,10 @@ public function testReportEndpointErrorSucceedsWhenResponseIsDeferred(): void
 
         $this->logger->expects($this->once())
                      ->method('warning')
-                     ->with('Getting JPush notification report failed: {error}', [ 'error' => 'Msgid does not exist' ]);
+                     ->with('Getting JPush notification report failed: {error}', [ 'error' => 'Msgid does not exist.' ]);
 
         $this->response->status_code = 400;
-        $this->response->body        = '{"error":{"message":"Msgid does not exist"}}';
+        $this->response->body        = '{"error":{"message":"Msgid does not exist.","code":3002}}';
 
         $method = $this->get_accessible_reflection_method('report_error');
         $method->invokeArgs($this->class, [ $this->response, &$endpoints ]);