diff --git a/htdocs/comm/action/class/actioncomm.class.php b/htdocs/comm/action/class/actioncomm.class.php
index c234d33ae2f..4c06ab53fd2 100644
--- a/htdocs/comm/action/class/actioncomm.class.php
+++ b/htdocs/comm/action/class/actioncomm.class.php
@@ -1254,7 +1254,7 @@ class ActionComm extends CommonObject
 
 				if (!empty($this->socpeopleassigned)) {
 					$already_inserted = array();
-					foreach (array_keys($this->socpeopleassigned) as $key => $val) {
+					foreach ($this->socpeopleassigned as $val) {
 						if (!is_array($val)) {	// For backward compatibility when val=id
 							$val = array('id' => $val);
 						}