diff --git a/htdocs/core/tpl/admin_extrafields_add.tpl.php b/htdocs/core/tpl/admin_extrafields_add.tpl.php
index 05d0ffebc41..367faa630ba 100644
--- a/htdocs/core/tpl/admin_extrafields_add.tpl.php
+++ b/htdocs/core/tpl/admin_extrafields_add.tpl.php
@@ -153,7 +153,7 @@ $listofexamplesforlink = 'Societe:societe/class/societe.class.php<br>Contact:con
 <tr><td class="fieldrequired"><?php echo $langs->trans("AttributeCode"); ?></td><td class="valeur"><input type="text" name="attrname" id="attrname"  size="10" value="<?php echo GETPOST('attrname', 'alpha'); ?>"> <span class="opacitymedium">(<?php echo $langs->trans("AlphaNumOnlyLowerCharsAndNoSpace"); ?>)</span></td></tr>
 <!-- Type -->
 <tr><td class="fieldrequired"><?php echo $langs->trans("Type"); ?></td><td class="valeur">
-<?php print $form->selectarray('type', $type2label, GETPOST('type', 'alpha')); ?>
+<?php print $form->selectarray('type', $type2label, GETPOST('type', 'alpha'), 0, 0, 0, '', 0, 0, 0, '', '', 1); ?>
 </td></tr>
 <!-- Size -->
 <tr class="extra_size"><td class="fieldrequired"><?php echo $langs->trans("Size"); ?></td><td class="valeur"><input id="size" type="text" name="size" size="5" value="<?php echo (GETPOST('size', 'alpha') ?GETPOST('size', 'alpha') : ''); ?>"></td></tr>
diff --git a/htdocs/core/tpl/admin_extrafields_edit.tpl.php b/htdocs/core/tpl/admin_extrafields_edit.tpl.php
index 61971945183..5c1680d9ecb 100644
--- a/htdocs/core/tpl/admin_extrafields_edit.tpl.php
+++ b/htdocs/core/tpl/admin_extrafields_edit.tpl.php
@@ -205,7 +205,8 @@ $typewecanchangeinto = array(
 	'mail'=>array('varchar', 'phone', 'mail', 'url', 'select'),
 	'url'=>array('varchar', 'phone', 'mail', 'url', 'select'),
 	'phone'=>array('varchar', 'phone', 'mail', 'url', 'select'),
-	'select'=>array('varchar', 'phone', 'mail', 'url', 'select')
+	'select'=>array('varchar', 'phone', 'mail', 'url', 'select'),
+	'date'=>array('date', 'datetime')
 );
 /* Disabled because text is text on several lines, when varchar is text on 1 line, we should not be able to convert
 if ($size <= 255 && in_array($type, array('text', 'html'))) {
@@ -224,6 +225,7 @@ if (in_array($type, array_keys($typewecanchangeinto)))
 		else print '<option value="'.$key.'" disabled="disabled"'.$selected.'>'.$val.'</option>';
 	}
 	print '</select>';
+	print ajax_combobox('type');
 } else {
 	print $type2label[$type];
 	print '<input type="hidden" name="type" id="type" value="'.$type.'">';