diff --git a/i18nmenu_node.module b/i18nmenu_node.module
index 41676b2..cd68f62 100644
--- a/i18nmenu_node.module
+++ b/i18nmenu_node.module
@@ -383,8 +383,9 @@ function i18nmenu_node_form_alter(&$form, &$form_state, $form_id) {
       '#description' => t('If this is checked the menu item will be shared among all the node translations, however you will still be able to translate the menu link title.'),
     );
 
-    // If the node already has a menu just add the node translation option.
-    if (!empty($node->menu['mlid']) && $translation_support) {
+    // If the node already has a menu just add the node translation option, but
+    // only for source nodes.
+    if (!empty($node->menu['mlid']) && $translation_support && (empty($node->tnid) || $node->nid == $node->tnid)) {
       $node_translation_form['#default_value'] = i18nmenu_node_enabled($node->menu);
       $form['menu']['i18nmenu_node_translation'] = $node_translation_form;
       return;