diff --git a/templates/index.html b/templates/index.html
index c65c911..05d2187 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -40,7 +40,7 @@
       <h1 class="mb-1">Geocode to Commons Category</h1>
       <p class="text-muted mb-3">Convert latitude/longitude to a Wikidata item and Wikimedia Commons category.</p>
 
-      <form class="d-flex gap-2 align-items-center mb-3" action="/">
+      <form class="d-flex gap-2 align-items-center mb-3" action="{{ url_for('index') }}">
         <label for="q" class="text-nowrap text-muted small">Lat, Lon</label>
         <input id="q" name="q" class="form-control form-control-sm" style="max-width:18rem" placeholder="e.g. 54.375, -2.999">
         <button type="submit" class="btn btn-sm btn-primary">Go</button>