diff --git a/views/bootstrap/class.Settings.php b/views/bootstrap/class.Settings.php
index c75982e63..7e3d7a26c 100644
--- a/views/bootstrap/class.Settings.php
+++ b/views/bootstrap/class.Settings.php
@@ -612,7 +612,7 @@ if(($kkk = $this->callHook('getFullSearchEngine')) && is_array($kkk))
 										else
 											$recs = $dms->getAllAttributeDefinitions(explode(',', $conf['objtype']));
 										if($recs) {
-											echo "<select class=\"chzn-select\"".($allowempty ? " data-allow-clear=\"true\"" : "")."\" name=\"extensions[".$extname."][".$confkey."][]\"".(!empty($conf['multiple']) ? "  multiple" : "").(!empty($conf['size']) ? "  size=\"".$conf['size']."\"" : "")." data-placeholder=\"".getMLText("select_attribute_value")."\">";
+											echo "<select class=\"chzn-select\"".($allowempty ? " data-allow-clear=\"true\"" : "")."\" name=\"extensions[".$extname."][".$confkey."][]\"".(!empty($conf['multiple']) ? "  multiple" : "").(!empty($conf['size']) ? "  size=\"".$conf['size']."\"" : "")." data-placeholder=\"".getMLText("select_attrdef")."\" data-no_results_text=\"".getMLText('unknown_attrdef')."\">";
 											if($allowempty)
 												echo "<option value=\"\"></option>";
 											foreach($recs as $rec) {