diff --git a/htdocs/core/class/extrafields.class.php b/htdocs/core/class/extrafields.class.php
index e6a11b17c67..25128f52418 100644
--- a/htdocs/core/class/extrafields.class.php
+++ b/htdocs/core/class/extrafields.class.php
@@ -1915,7 +1915,7 @@ class ExtraFields
 	 * @param	string	$typeform		"card" for from display, "line" for docuement line display (exstraiedls on propal line, order line, etc...)
 	 * @return 	string					HTML code with line for separator
 	 */
-	public function showSeparator($key, $object, $colspan = 2, $typeform='card')
+	public function showSeparator($key, $object, $colspan = 2, $typeform = 'card')
 	{
 		global $langs;