diff --git a/lib/classes/searchEngine/options.class.php b/lib/classes/searchEngine/options.class.php
index 681beb9fd2..2c37d499f6 100644
--- a/lib/classes/searchEngine/options.class.php
+++ b/lib/classes/searchEngine/options.class.php
@@ -356,7 +356,7 @@ class searchEngine_options implements Serializable
     public function set_min_date($min_date)
     {
         if ( ! is_null($min_date) && trim($min_date) !== '') {
-            $this->date_min = DateTime::createFromFormat('d/m/Y H:i:s', $min_date . ' 00:00:00');
+            $this->date_min = DateTime::createFromFormat('Y/m/d H:i:s', $min_date . ' 00:00:00');
         }
 
         return $this;
@@ -379,7 +379,7 @@ class searchEngine_options implements Serializable
     public function set_max_date($max_date)
     {
         if ( ! is_null($max_date) && trim($max_date) !== '') {
-            $this->date_max = DateTime::createFromFormat('d/m/Y H:i:s', $max_date . ' 23:59:59');
+            $this->date_max = DateTime::createFromFormat('Y/m/d H:i:s', $max_date . ' 23:59:59');
         }
 
         return $this;
diff --git a/templates/web/prod/index.html.twig b/templates/web/prod/index.html.twig
index a56f0d1093..f0173eedb4 100644
--- a/templates/web/prod/index.html.twig
+++ b/templates/web/prod/index.html.twig
@@ -445,7 +445,7 @@
                                                                 <select name="datefield" class="input-medium">
                                                                     {% for field_id, field in search_datas['dates'] %}
                                                                         <option onchange="checkFilters(true);"
-                                                                            class="field_switch field_{{field['sbas']|implode(' field_')}}" value="{{field_id}}">{{field['fieldname']}}</option>
+                                                                            class="field_switch field_{{field['sbas']|implode(' field_')}}" value="{{ field['fieldname'] }}">{{field['fieldname']}}</option>
                                                                     {% endfor %}
                                                                     <option value="{{search_datas['dates']|array_keys|implode('|')}}" selected="selected">
                                                                         {% trans 'rechercher dans tous les champs' %}