diff --git a/tests/_server/templates/test_templates.py b/tests/_server/templates/test_templates.py
index 4c95da0b5da..146789d0fe9 100644
--- a/tests/_server/templates/test_templates.py
+++ b/tests/_server/templates/test_templates.py
@@ -165,7 +165,7 @@ def test_notebook_page_template_custom_head(self) -> None:
             self.mode,
         )
 
-        assert head in result
+        assert head in result.split("</head>", 1)[0]
         _assert_no_leftover_replacements(result)
 
     def test_notebook_page_template_with_custom_css_config(self) -> None: