diff --git a/src/Exchange.php b/src/Exchange.php
index 0f2e730..4fc4743 100644
--- a/src/Exchange.php
+++ b/src/Exchange.php
@@ -293,8 +293,8 @@ private function prepareResponseResult($body)
                 new DateTime($response['date']),
                 $response['rates']
             );
-        } else if (isset($response['error'])) {
-            throw new ResponseException($response['error']);
+        } else if (isset($response['error']['info'])) {
+            throw new ResponseException($response['error']['info']);
         } else {
             throw new ResponseException('Response body is malformed.');
         }