diff --git a/django/core/meta/__init__.py b/django/core/meta/__init__.py
index 02e264607b..cd0f306320 100644
--- a/django/core/meta/__init__.py
+++ b/django/core/meta/__init__.py
@@ -996,7 +996,7 @@ def method_get_file_filename(field, self):
 def method_get_file_url(field, self):
     if getattr(self, field.name): # value is not blank
         import urlparse
-        return urlparse.urljoin(settings.MEDIA_URL, getattr(self, field.name))
+        return urlparse.urljoin(settings.MEDIA_URL, getattr(self, field.name)).replace('\\', '/')
     return ''
 
 def method_get_file_size(field, self):