diff --git a/htdocs/comm/action/class/actioncomm.class.php b/htdocs/comm/action/class/actioncomm.class.php
index aeb20e6c7b4..a406bb56463 100644
--- a/htdocs/comm/action/class/actioncomm.class.php
+++ b/htdocs/comm/action/class/actioncomm.class.php
@@ -1220,11 +1220,14 @@ class ActionComm extends CommonObject
 
 				if (!empty($this->socpeopleassigned)) {
 					$already_inserted = array();
-					foreach (array_keys($this->socpeopleassigned) as $id) {
+					foreach (array_keys($this->socpeopleassigned) as $key => $val) {
+						if (!is_array($val)) {	// For backward compatibility when val=id
+							$val = array('id'=>$val);
+						}
 						if (!empty($already_inserted[$val['id']])) continue;
 
 						$sql = "INSERT INTO ".MAIN_DB_PREFIX."actioncomm_resources(fk_actioncomm, element_type, fk_element, mandatory, transparency, answer_status)";
-						$sql .= " VALUES(".((int) $this->id).", 'socpeople', ".((int) $id).", 0, 0, 0)";
+						$sql .= " VALUES(".((int) $this->id).", 'socpeople', ".((int) $val['id']).", 0, 0, 0)";
 
 						$resql = $this->db->query($sql);
 						if (!$resql) {