diff --git a/src/app/templates/unl2rdf.html b/src/app/templates/unl2rdf.html
index f09169d69a2c958ee6083c7b2ef26f02da076bb3..a5e33ff1a6f26cbc0948216b33acf4d2756a37d5 100644
--- a/src/app/templates/unl2rdf.html
+++ b/src/app/templates/unl2rdf.html
@@ -8,7 +8,7 @@
         <textarea class="form-control" name="unl" cols="80" rows="10" style="width: 300px; height: 150px;"></textarea>
         <h2>Tell me which output(s) you want</h2>
         <ul>
-            <li><label><input type="checkbox" name="outputs" value="rdf">RDF</label></li>
+            <li><label><input type="checkbox" name="outputs" value="rdf" checked>RDF</label></li>
             <li><label><input type="checkbox" name="outputs" value="dot" checked>Graph (dot)</label></li>
         </ul>
         <button class="btn btn-primary" type="submit">Submit</button>