diff --git node_reference/node_reference.module node_reference/node_reference.module
index 12723fe..b9df5de 100644
--- node_reference/node_reference.module
+++ node_reference/node_reference.module
@@ -801,10 +801,10 @@ function node_reference_content_migrate_field_alter(&$field_value) {
  * style to the D7 style for specific situations not handled by basic
  * conversion, as when formatter or widget names or settings are changed.
  */
-function node_reference_content_migrate_instance_alter(&$instance_value) {
+function node_reference_content_migrate_instance_alter(&$instance_value, $field_value) {
   // The module name for the instance was corrected
   // by the change in node_reference_content_migrate_field_alter().
-  switch ($instance_value['module']) {
+  switch ($field_value['module']) {
     case 'node_reference':
       // The formatter names changed, all are prefixed
       // with 'node_reference_'.