From 41499b189c29bf9c7b07b3d7601637312b13d141 Mon Sep 17 00:00:00 2001
From: Arthur <worldnomad@gmail.com>
Date: Mon, 22 Aug 2022 16:33:50 -0700
Subject: [PATCH] #10094 fix Contact AddAnother

---
 netbox/utilities/utils.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/netbox/utilities/utils.py b/netbox/utilities/utils.py
index 1dece76c8..69ab615fc 100644
--- a/netbox/utilities/utils.py
+++ b/netbox/utilities/utils.py
@@ -285,7 +285,7 @@ def prepare_cloned_fields(instance):
     """
     # Generate the clone attributes from the instance
     if not hasattr(instance, 'clone'):
-        return QueryDict()
+        return QueryDict(mutable=True)
     attrs = instance.clone()
 
     # Prepare querydict parameters