diff --git a/src/Provider/Azure.php b/src/Provider/Azure.php
index 86ac895..2cd8fa8 100644
--- a/src/Provider/Azure.php
+++ b/src/Provider/Azure.php
@@ -87,7 +87,7 @@ protected function checkResponse(ResponseInterface $response, $data)
     {
         if (isset($data['error'])) {
             throw new IdentityProviderException(
-                (isset($data['error']['message']) ? $data['error']['message'] : $response->getReasonPhrase()),
+                (isset($data['error_description']) ? $data['error_description'] : $response->getReasonPhrase()),
                 $response->getStatusCode(),
                 (string)$response->getBody()
             );
diff --git a/tests/src/Provider/AzureTest.php b/tests/src/Provider/AzureTest.php
index 1b73766..60f342e 100644
--- a/tests/src/Provider/AzureTest.php
+++ b/tests/src/Provider/AzureTest.php
@@ -160,7 +160,7 @@ public function testExceptionThrownWhenErrorObjectReceived(): void
 
         $postResponse = m::mock('Psr\Http\Message\ResponseInterface');
         $postResponse->shouldReceive('getBody')->andReturn(
-            '{"error": {"code": "request_token_expired", "message": "' . $message . '"}}'
+            '{"error": "request_token_expired", "error_description": "' . $message . '"}'
         );
         $postResponse->shouldReceive('getHeader')->andReturn(['content-type' => 'json']);
         $postResponse->shouldReceive('getStatusCode')->andReturn(500);