diff --git a/empress/support_files/templates/side-panel.html b/empress/support_files/templates/side-panel.html
index f77d3fd8c..e0885da4c 100644
--- a/empress/support_files/templates/side-panel.html
+++ b/empress/support_files/templates/side-panel.html
@@ -1,8 +1,11 @@
 <!-- The Header bar -->
 <div id="autocomplete-container">
   <p class="side-header">
+    <!-- Attempt to stop the browser's autocomplete suggestions, since Empress
+         shows its own autocomplete menu (see #445 on GitHub)
+    -->
     <input type="text" id="quick-search" placeholder="Search by node name..."
-           style="flex-grow: 1;" class="empress-input">
+           style="flex-grow: 1;" autocomplete="off" class="empress-input">
     <button id="side-header-search-btn" style="flex-grow: 1;">Search</button>
     <button id="hide-ctrl" title="Hide control panel"
             style="font-size: 10pt; padding: 0 0 3px 3px;">&#9701;</button>