From b415c157cce81ac244053961a0bfec021dbf1689 Mon Sep 17 00:00:00 2001
From: Arthur <worldnomad@gmail.com>
Date: Tue, 25 Apr 2023 08:53:12 -0700
Subject: [PATCH] 11617 fix header field dupe test

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

diff --git a/netbox/utilities/forms/utils.py b/netbox/utilities/forms/utils.py
index b4ad2fab2..1b3088998 100644
--- a/netbox/utilities/forms/utils.py
+++ b/netbox/utilities/forms/utils.py
@@ -216,7 +216,7 @@ def headers_to_dict(headers):
         header = header.strip()
         if '.' in header:
             field, to_field = header.split('.', 1)
-            if field in headers:
+            if field in header_dict:
                 raise forms.ValidationError(f'Duplicate or conflicting column header for "{field}"')
             header_dict[field] = to_field
         else: