diff --git a/etemplate/inc/class.boetemplate.inc.php b/etemplate/inc/class.boetemplate.inc.php
index 418a5b8ca7..f935f3f2b8 100644
--- a/etemplate/inc/class.boetemplate.inc.php
+++ b/etemplate/inc/class.boetemplate.inc.php
@@ -426,8 +426,14 @@ class boetemplate extends soetemplate
 	 */
 	protected function haveExtension($type,$function='')
 	{
-		return (self::$extensions[$type] || $this->loadExtension($type,$ui)) &&
-						($function == '' || self::$extensions[$type]->public_functions[$function]);
+		if (self::$extensions[$type] || $this->loadExtension($type,$ui))
+		{
+			if (empty($function)) return true;
+
+			return isset(self::$extensions[$type]->public_functions[$function]) ?
+				self::$extensions[$type]->public_functions[$function] : false;
+		}
+		return false;
 	}
 
 	/**
diff --git a/etemplate/inc/class.etemplate.inc.php b/etemplate/inc/class.etemplate.inc.php
index 03b839e7f9..7a321e7cb1 100644
--- a/etemplate/inc/class.etemplate.inc.php
+++ b/etemplate/inc/class.etemplate.inc.php
@@ -989,6 +989,7 @@ class etemplate extends boetemplate
 
 			$readonly = $cell['readonly'] !== false && ($readonly || $cell['readonly']);	// might be set or unset (===false) by extension
 
+			if (is_null($name)) $name = $cell['name'];
 			self::set_array($content,$name,$value);
 
 			if ($cell['type'] == $type.'-'.$sub_type) break;	// stop if no further type-change
@@ -1661,7 +1662,8 @@ class etemplate extends boetemplate
 				break;
 		}
 		// extension-processing need to be after all other and only with diff. name
-		if ($ext_type && !$readonly && $this->haveExtension($ext_type,'post_process'))
+		if ($ext_type && !$readonly && ($have = $this->haveExtension($ext_type,'post_process')) &&
+			($have === true || isset($have[$cell['type']])))	// check if post-process should be used for all sub-types
 		{	// unset it first, if it is already set, to be after the other widgets of the ext.
 			$to_process = self::$request->get_to_process($form_name);
 			self::$request->unset_to_process($form_name);