diff --git a/internal/driver/html/common.js b/internal/driver/html/common.js
index d3312215..ff980f66 100644
--- a/internal/driver/html/common.js
+++ b/internal/driver/html/common.js
@@ -563,11 +563,11 @@ function viewer(baseUrl, nodes, options) {
     return str.replace(/([\\\.?+*\[\](){}|^$])/g, '\\$1');
   }
 
-  function setSampleIndexLink(id) {
-    const elem = document.getElementById(id);
+  function setSampleIndexLink(si) {
+    const elem = document.getElementById('sampletype-' + si);
     if (elem != null) {
       setHrefParams(elem, function (params) {
-        params.set("si", id);
+        params.set("si", si);
       });
     }
   }
diff --git a/internal/driver/html/header.html b/internal/driver/html/header.html
index 96ad4181..42cb7960 100644
--- a/internal/driver/html/header.html
+++ b/internal/driver/html/header.html
@@ -28,7 +28,7 @@ <h1><a href="./">pprof</a></h1>
     </div>
     <div class="submenu">
       {{range .SampleTypes}}
-      <a href="?si={{.}}" id="{{.}}">{{.}}</a>
+      <a href="?si={{.}}" id="sampletype-{{.}}">{{.}}</a>
       {{end}}
     </div>
   </div>