diff --git a/classes/ObjectModel.php b/classes/ObjectModel.php
index 49c7440fe..3207009e2 100644
--- a/classes/ObjectModel.php
+++ b/classes/ObjectModel.php
@@ -547,9 +547,10 @@ abstract class ObjectModelCore
 			if (!$res)
 				return false;
 
-			foreach ($res as $field => &$value)
-				if (isset($definition['fields'][$field]))
-					$value = ObjectModel::formatValue($value, $definition['fields'][$field]['type']);
+			foreach ($res as $lang => &$row)
+				foreach ($row as $field => &$value)
+					if (isset($definition['fields'][$field]))
+						$value = ObjectModel::formatValue($value, $definition['fields'][$field]['type']);
 
 			foreach ($res as $row)
 			{