diff --git a/classes/module/ModuleHandler.class.php b/classes/module/ModuleHandler.class.php
index 590cd85ef..139663730 100644
--- a/classes/module/ModuleHandler.class.php
+++ b/classes/module/ModuleHandler.class.php
@@ -617,10 +617,21 @@
 			$kind = strtolower($kind);
 			$type = strtolower($type);
 
-			$kinds = explode(' ', 'svc admin');
-			if(!in_array($kind, $kinds)) $kind = $kinds[0];
+		$kinds = explode(' ', 'svc admin');
+		if(!in_array($kind, $kinds)) $kind = $kinds[0];
 
-			$key = $module.'.'.($kind!='admin'?'':'admin').'.'.$type;
+		$key = $module.'.'.($kind!='admin'?'':'admin').'.'.$type;
+
+		if(is_array($GLOBALS['__MODULE_EXTEND__']) && array_key_exists($key, $GLOBALS['__MODULE_EXTEND__']))
+		{
+			$module = $extend_module = $GLOBALS['__MODULE_EXTEND__'][$key];
+		}
+
+
+		// if there is no instance of the module in global variable, create a new one
+		if(!isset($GLOBALS['_loaded_module'][$module][$type][$kind]))
+		{
+			$parent_module = $module;
 
 			if(is_array($GLOBALS['__MODULE_EXTEND__']) && array_key_exists($key, $GLOBALS['__MODULE_EXTEND__'])) {
 				$module = $extend_module = $GLOBALS['__MODULE_EXTEND__'][$key];