diff --git a/src/pytest_html/resources/index.jinja2 b/src/pytest_html/resources/index.jinja2
index a661978d..a7f0ee25 100644
--- a/src/pytest_html/resources/index.jinja2
+++ b/src/pytest_html/resources/index.jinja2
@@ -61,7 +61,7 @@
       <thead id="results-table-head">
         <tr>
           <th class="sortable" data-column-type="result">Result</th>
-          <th class="sortable" data-column-type="testid">Test</th>
+          <th class="sortable" data-column-type="testId">Test</th>
           <th class="sortable" data-column-type="duration">Duration</th>
           <th>Links</th>
         </tr>