From 1c07b700e3b88212e9c12b6da34189c8aaafc38e Mon Sep 17 00:00:00 2001
From: Rajeev Jain <rajeeja@gmail.com>
Date: Fri, 16 Aug 2024 14:04:13 -0500
Subject: [PATCH] o Fix conn when orig_fv is None (#896)

---
 uxarray/io/_topology.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/uxarray/io/_topology.py b/uxarray/io/_topology.py
index 7594c698d..a81a68b3f 100644
--- a/uxarray/io/_topology.py
+++ b/uxarray/io/_topology.py
@@ -60,7 +60,7 @@ def _process_connectivity(conn, orig_fv, start_index):
 
     if orig_fv is None:
         # no fill values, adjust start index
-        return conn - 1
+        return conn - start_index
 
     if orig_fv != INT_FILL_VALUE:
         conn = _replace_fill_values(conn, orig_fv, INT_FILL_VALUE, INT_DTYPE)