diff --git a/src/InputOutput/IHMImpl/Tools/IHMExpressionParserClass.php b/src/InputOutput/IHMImpl/Tools/IHMExpressionParserClass.php
index 1000315..8db05b6 100644
--- a/src/InputOutput/IHMImpl/Tools/IHMExpressionParserClass.php
+++ b/src/InputOutput/IHMImpl/Tools/IHMExpressionParserClass.php
@@ -84,6 +84,7 @@ class IHMExpressionParserClass
 				"2/(1+dst)" => array("expression" => "2/(1+\$dst)", "params" => array(array("paramid" => "dst"))),
 				"2/abs(1+dst)" => array("expression" => "2/(abs(1+\$dst))", "params" => array(array("paramid" => "dst"))),
 				"cross(vect_1,vect_2)"  => array("expression" => "(cross(\$vect_1,\$vect_2))", "params" => array(array("paramid" => "vect_1"), array("paramid" => "vect_2"))),
+				"cross(cross(vect_1,vect_2),vect_3)"  => array("expression" => "(cross((cross(\$vect_1,\$vect_2)),\$vect_3))","params" => array(array("paramid" => "vect_1"), array("paramid" => "vect_2"), array("paramid" => "vect_3"))),
 		);
 
 		//init constants, aliases and functions for test
@@ -795,8 +796,9 @@ class IHMExpressionParserClass
 	/*
 	 * @brief process used to replace "," by ";" for function
 	*/
-	private function fixComaFunction($tree,$crt_function,&$result,&$nbParams)
+	private function fixComaFunction($tree,$crt_function,&$result)
 	{
+		$nbParams = 0;
 		for ($i = 0; $i < count($tree); ++$i)
 		{
 			if (is_array($tree[$i]) && (count($tree[$i]) > 0))
@@ -807,8 +809,7 @@ class IHMExpressionParserClass
 					$groupFunc = $this->isFunction($tree[$i-1]);
 				}
 				$res = array();
-				$nbParams = 0;
-				$this->fixComaFunction($tree[$i],$groupFunc ? $tree[$i-1] : "",$res,$nbParams);
+				$this->fixComaFunction($tree[$i],$groupFunc ? $tree[$i-1] : "",$res);
 				$result[] = $res;
 			}
 			else
@@ -930,8 +931,7 @@ class IHMExpressionParserClass
 		$this->fixGroupFunction($res_1,$res_2);
 
 		$res_3 = array();
-		$nbParams = 0;
-		$this->fixComaFunction($res_2,"",$res_3,$nbParams);
+		$this->fixComaFunction($res_2,"",$res_3);
 
 		$res_4 = array();
 		$this->fixOperatorToFunction($res_3,$res_4);
--
libgit2 0.21.2