diff --git a/includes/migration.inc b/includes/migration.inc
index 11e4707..36d2f64 100644
--- a/includes/migration.inc
+++ b/includes/migration.inc
@@ -1212,7 +1212,7 @@ abstract class Migration extends MigrationBase {
         $callbacks = $mapping->getCallbacks();
         foreach ($callbacks as $callback) {
           if (isset($destination_values)) {
-            $destination_values = call_user_func($callback, $destination_values);
+            $destination_values = call_user_func($callback, $destination_values, $mapping);
           }
         }