diff --git a/tests/coverage/coverage_report/index_template.html b/tests/coverage/coverage_report/index_template.html
index e2496c64b34..6e1c1a17756 100644
--- a/tests/coverage/coverage_report/index_template.html
+++ b/tests/coverage/coverage_report/index_template.html
@@ -328,6 +328,8 @@
         if (paths_to_open.length == 0) {
           paths_to_open.push(get_fallback_open_path());
         }
+        /* At least open the top row in case nothing else exists. */
+        paths_to_open.push(root_row.name);
         return paths_to_open;
       }