diff --git a/src/MetaHash.php b/src/MetaHash.php
index 0cc2f54..41e9159 100644
--- a/src/MetaHash.php
+++ b/src/MetaHash.php
@@ -324,7 +324,13 @@ private function query(string $url, string $method, array $params = []): array
             throw new RuntimeException('QueryTorrent Error: '.$response->getBody()->getContents());
         }
 
-        return \json_decode($response->getBody()->getContents(), true);
+        $result = \json_decode($response->getBody()->getContents(), true);
+
+        if ($result === null) {
+            throw new RuntimeException('QueryTorrent Error: Empty response');
+        }
+
+        return $result;
     }
 
     /**