diff --git a/dvc/repo/__init__.py b/dvc/repo/__init__.py
index 060f32cff..7e66b8e91 100644
--- a/dvc/repo/__init__.py
+++ b/dvc/repo/__init__.py
@@ -164,7 +164,7 @@ class Repo(object):
             + updater.lock.files
         )
 
-        if self.cache.local.cache_dir.startswith(self.root_dir):
+        if self.cache.local.cache_dir.startswith(self.root_dir + os.sep):
             flist += [self.cache.local.cache_dir]
 
         self.scm.ignore_list(flist)