diff --git a/templates/index.html.ep b/templates/index.html.ep
index 6269e02..26b8eac 100644
--- a/templates/index.html.ep
+++ b/templates/index.html.ep
@@ -312,6 +312,7 @@
       <input id="word" type="text" name="word" size="20"  value="<%= $word %>" title="When looking for multiple words use spaces as separators to search around the average vector and | as separator to get the neighbours for each word."> 
 			cut-off:
       <input id="cutoff" type="text" name="cutoff" size="10"  value="<%= $cutoff %>" title="Only consider the most frequent x word forms.">
+      dedupe <input type="checkbox" name="dedupe" value="1" <%= ($dedupe ? "checked" : "") %> title="radically filter out any near-duplicates">
 		  % if($mergedEnd > 0) {
         backw. <input type="checkbox" name="sbf" value="1" <%= ($searchBaseVocabFirst ? "checked" : "") %> title="If checkecked base vocabulary will be searched first. Otherwise merged vocabulray will be searched first.">
       % }