diff --git a/django/contrib/admin/widgets.py b/django/contrib/admin/widgets.py
index b9d45a10ee..dfb288642e 100644
--- a/django/contrib/admin/widgets.py
+++ b/django/contrib/admin/widgets.py
@@ -162,9 +162,7 @@ class ForeignKeyRawIdWidget(forms.TextInput):
 
             params = self.url_parameters()
             if params:
-                related_url += '?' + '&'.join(
-                    '%s=%s' % (k, v) for k, v in params.items(),
-                )
+                related_url += '?' + '&'.join('%s=%s' % (k, v) for k, v in params.items())
             context['related_url'] = mark_safe(related_url)
             context['link_title'] = _('Lookup')
             # The JavaScript code looks for this class.