diff --git a/packages/metro-memory-fs/src/index.js b/packages/metro-memory-fs/src/index.js
index 8e0d992090..6af36f7130 100644
--- a/packages/metro-memory-fs/src/index.js
+++ b/packages/metro-memory-fs/src/index.js
@@ -107,6 +107,7 @@ const ASYNC_FUNC_NAMES = [
   'fsync',
   'fdatasync',
   'lstat',
+  'mkdir',
   'open',
   'read',
   'readdir',