diff --git a/storages/backends/dropbox.py b/storages/backends/dropbox.py
index c76ba2718..1808633b2 100644
--- a/storages/backends/dropbox.py
+++ b/storages/backends/dropbox.py
@@ -62,7 +62,7 @@ def __init__(self, oauth2_access_token=None, root_path=None):
     def _full_path(self, name):
         if name == '/':
             name = ''
-        return safe_join(self.root_path, name)
+        return safe_join(self.root_path, name).replace('\\', '/')
 
     def delete(self, name):
         self.client.file_delete(self._full_path(name))