diff --git a/htdocs/comm/action/class/actioncomm.class.php b/htdocs/comm/action/class/actioncomm.class.php
index 3c16a67205a..2ec2e5c3253 100644
--- a/htdocs/comm/action/class/actioncomm.class.php
+++ b/htdocs/comm/action/class/actioncomm.class.php
@@ -541,7 +541,7 @@ class ActionComm extends CommonObject
      * 	 @param		int		$fk_element		Id of element action is linked to
      *   @param		string	$elementtype	Type of element action is linked to
      *   @param		string	$filter			Other filter
-     *   @return	array					<0 if KO, array with actions
+     *   @return	array or string			Error string if KO, array with actions if OK
      */
     static function getActions($db, $socid=0, $fk_element=0, $elementtype='', $filter='')
     {
@@ -580,9 +580,8 @@ class ActionComm extends CommonObject
             return $resarray;
         }
         else
-        {
-            $this->error=$db->lasterror();
-            return -1;
+       {
+            return $db->lasterror();
         }
     }
 
diff --git a/htdocs/core/class/html.formactions.class.php b/htdocs/core/class/html.formactions.class.php
index 04dd81a3da5..cf18ea17974 100644
--- a/htdocs/core/class/html.formactions.class.php
+++ b/htdocs/core/class/html.formactions.class.php
@@ -145,7 +145,7 @@ class FormActions
         require_once DOL_DOCUMENT_ROOT.'/comm/action/class/actioncomm.class.php';
 
         $listofactions=ActionComm::getActions($this->db, $socid, $object->id, $typeelement);
-		if (is_numeric($listofactions) && $listofactions < 0) dol_print_error($this->db,'FailedToGetActions');
+		if (! is_array($listofactions)) dol_print_error($this->db,'FailedToGetActions');
 
         $num = count($listofactions);
         if ($num)