diff --git a/project.py b/project.py
index ed5b0e6c..45ecfe36 100644
--- a/project.py
+++ b/project.py
@@ -687,7 +687,7 @@ class Project(object):
     self.gitdir = gitdir.replace('\\', '/')
     self.objdir = objdir.replace('\\', '/')
     if worktree:
-      self.worktree = os.path.normpath(worktree.replace('\\', '/'))
+      self.worktree = os.path.normpath(worktree).replace('\\', '/')
     else:
       self.worktree = None
     self.relpath = relpath