diff --git a/views/bootstrap/class.Settings.php b/views/bootstrap/class.Settings.php
index 330ac5baa..3b8399214 100644
--- a/views/bootstrap/class.Settings.php
+++ b/views/bootstrap/class.Settings.php
@@ -636,9 +636,10 @@ if(($kkk = $this->callHook('getFullSearchEngine')) && is_array($kkk))
 								break;
 							case 'select':
 								$allowempty = empty($conf['allow_empty']) ? false : $conf['allow_empty'];
+								$multiple = empty($conf['multiple']) ? false : $conf['multiple'];
 								if(!empty($conf['options'])) {
 									$selections = empty($settings->_extensions[$extname][$confkey]) ? array() : explode(",", $settings->_extensions[$extname][$confkey]);
-									echo "<select class=\"chzn-select\"".($allowempty ? " data-allow-clear=\"true\"" : "")." name=\"extensions[".$extname."][".$confkey."][]\"".(!empty($conf['multiple']) ? "  multiple" : "").(!empty($conf['size']) ? "  size=\"".$conf['size']."\"" : "")." style=\"width: 100%;\">";
+									echo "<select class=\"chzn-select\"".($allowempty ? " data-allow-clear=\"true\"" : "")." name=\"extensions[".$extname."][".$confkey."][]\"".($multiple ? " multiple" : "").(!empty($conf['size']) ? " size=\"".$conf['size']."\"" : "")." data-placeholder=\"".getMLText("select_option")."\" style=\"width: 100%;\">";
 									if(is_array($conf['options'])) {
 										$options = $conf['options'];
 									} elseif(is_string($conf['options']) && $conf['options'] == 'hook') {
@@ -661,7 +662,7 @@ if(($kkk = $this->callHook('getFullSearchEngine')) && is_array($kkk))
 									case "categories":
 										$categories = $dms->getDocumentCategories();
 										if($categories) {
-											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_category")."\" style=\"width: 100%;\">";
+											echo "<select class=\"chzn-select\"".($allowempty ? " data-allow-clear=\"true\"" : "")." name=\"extensions[".$extname."][".$confkey."][]\"".($multiple ? " multiple" : "").(!empty($conf['size']) ? " size=\"".$conf['size']."\"" : "")." data-placeholder=\"".getMLText("select_category")."\" style=\"width: 100%;\">";
 											if($allowempty)
 												echo "<option value=\"\"></option>";
 											foreach($categories as $category) {