diff --git a/lib/Github/Api/Repository/Commits.php b/lib/Github/Api/Repository/Commits.php
index 8195e4baf0f..383905d28f2 100644
--- a/lib/Github/Api/Repository/Commits.php
+++ b/lib/Github/Api/Repository/Commits.php
@@ -16,14 +16,14 @@ public function all($username, $repository, array $params)
         return $this->get('/repos/'.rawurlencode($username).'/'.rawurlencode($repository).'/commits', $params);
     }
 
-    public function compare($username, $repository, $base, $head, $mediaType = null)
+    public function compare($username, $repository, $base, $head, $mediaType = null, array $params = [])
     {
         $headers = [];
         if (null !== $mediaType) {
             $headers['Accept'] = $mediaType;
         }
 
-        return $this->get('/repos/'.rawurlencode($username).'/'.rawurlencode($repository).'/compare/'.rawurlencode($base).'...'.rawurlencode($head), [], $headers);
+        return $this->get('/repos/'.rawurlencode($username).'/'.rawurlencode($repository).'/compare/'.rawurlencode($base).'...'.rawurlencode($head), $params, $headers);
     }
 
     public function show($username, $repository, $sha)