diff --git a/autotests/export/latex/languages/supported-languages_polyglossia.lyx b/autotests/export/latex/languages/supported-languages_polyglossia.lyx
index 40d2a8804f..aa1e50f738 100644
--- a/autotests/export/latex/languages/supported-languages_polyglossia.lyx
+++ b/autotests/export/latex/languages/supported-languages_polyglossia.lyx
@@ -23,7 +23,7 @@
 \newfontfamily\telugufont{Noto Serif Telugu}
 \newfontfamily\thaanafont{FreeSerif}  % missing script tag in FreeSerif
 %\newfontfamily\thaanafont{Noto Sans Thaana} % works, too
-\newfontfamily\tibetanfont{Noto Serif Tibetan}
+\newfontfamily\tibetanfont{Noto Sans Tibetan}
 
 % Font setup for Japanese (not supported by Polyglossia)
 \usepackage{ifxetex}