diff --git a/.codespellrc b/.codespellrc
index cdf6a2facb5..cf28f7d9663 100644
--- a/.codespellrc
+++ b/.codespellrc
@@ -40,6 +40,7 @@ ignore-words-list =
   IST,
   infor,
   inport,
+  ist,
   lod,
   mot,
   mis,