diff --git a/tests/admin_views/tests.py b/tests/admin_views/tests.py
index 091ce084c8..fc1e18a47f 100644
--- a/tests/admin_views/tests.py
+++ b/tests/admin_views/tests.py
@@ -2199,7 +2199,7 @@ class AdminSearchTest(TestCase):
         from django.contrib.admin.views.main import TO_FIELD_VAR
         response = self.client.get('/test_admin/admin/auth/user/?q=joe&%s=username' % TO_FIELD_VAR)
         self.assertContains(response, "\n1 user\n")
-        self.assertContains(response, '<input type="hidden" name="t" value="username"/>', html=True)
+        self.assertContains(response, '<input type="hidden" name="_to_field" value="username"/>', html=True)
 
     def test_exact_matches(self):
         response = self.client.get('/test_admin/admin/admin_views/recommendation/?q=bar')