diff --git a/pipenv/project.py b/pipenv/project.py
index c66d9a74..57358e49 100644
--- a/pipenv/project.py
+++ b/pipenv/project.py
@@ -23,7 +23,7 @@ def mkdir_p(newdir):
     else:
         head, tail = os.path.split(newdir)
         if head and not os.path.isdir(head):
-            _mkdir(head)
+            mkdir_p(head)
         if tail:
             os.mkdir(newdir)