diff --git a/src/git-repository-async.js b/src/git-repository-async.js
index 75c387b69..807fadb1f 100644
--- a/src/git-repository-async.js
+++ b/src/git-repository-async.js
@@ -727,7 +727,7 @@ export default class GitRepositoryAsync {
     const hunkCallback = (delta, hunk, payload) => {
       hunks.push(hunk)
     }
-    return Git.Diff.blobToBuffer(blob, null, buffer, null, null, options, null, null, hunkCallback, null, null)
+    return Git.Diff.blobToBuffer(blob, null, buffer, null, options, null, null, hunkCallback, null)
       .then(_ => hunks)
   }