diff --git a/app/admin.py b/app/admin.py
index 81a43df..6b8bcc2 100644
--- a/app/admin.py
+++ b/app/admin.py
@@ -150,7 +150,7 @@ class RangeAdmin(admin.ModelAdmin):
         RangeNameTranslationInline,
         RangeCountryInline
     ]
-    readonly_fields = ('id',)
+    readonly_fields = ('id', 'gmba_v2_id')
     search_fields = ['name', 'range_name', 'range_name_ascii',
                      'level', 'level', 'level_1', 'level_2', 'level_3', 'peak_name', 'comments', 'source',
                      'name_fr', 'name_de', 'name_es', 'name_pt', 'name_cn', 'name_ru', 'name_tr']