From a8ea8c64e25d06c88d41d7d1a758988223ce0478 Mon Sep 17 00:00:00 2001
From: Maximilian Linhoff <maximilian.linhoff@tu-dortmund.de>
Date: Mon, 4 Sep 2023 12:28:36 +0200
Subject: [PATCH] Add changelog entry

---
 docs/changes/2376.api.rst | 2 ++
 1 file changed, 2 insertions(+)
 create mode 100644 docs/changes/2376.api.rst

diff --git a/docs/changes/2376.api.rst b/docs/changes/2376.api.rst
new file mode 100644
index 00000000000..62bab6f6cc3
--- /dev/null
+++ b/docs/changes/2376.api.rst
@@ -0,0 +1,2 @@
+Change the fill value for invalid telescope ids in ``SubarrayDescription.tel_index_array``
+from ``-1`` to ``np.iinfo(int).minval`` to prevent ``-1`` being used as an index resulting in the last element being used for invalid telescope ids.