diff --git a/code/Model/EditableFormField.php b/code/Model/EditableFormField.php
index f923b87..41e3496 100755
--- a/code/Model/EditableFormField.php
+++ b/code/Model/EditableFormField.php
@@ -345,8 +345,10 @@ class EditableFormField extends DataObject
 
         // make sure to migrate the class across (prior to v5.x)
         DB::query("UPDATE \"EditableFormField\" SET \"ParentClass\" = 'Page' WHERE \"ParentClass\" IS NULL");
-        DB::query("UPDATE \"EditableFormField_Live\" SET \"ParentClass\" = 'Page' WHERE \"ParentClass\" IS NULL");
-        DB::query("UPDATE \"EditableFormField_Versions\" SET \"ParentClass\" = 'Page' WHERE \"ParentClass\" IS NULL");
+        if (self::has_extension(Versioned::class)) {
+            DB::query("UPDATE \"EditableFormField_Live\" SET \"ParentClass\" = 'Page' WHERE \"ParentClass\" IS NULL");
+            DB::query("UPDATE \"EditableFormField_Versions\" SET \"ParentClass\" = 'Page' WHERE \"ParentClass\" IS NULL");
+        }
     }
 
     /**