diff --git a/source/njuthesis.dtx b/source/njuthesis.dtx
index 68e820dacbd950213ec004ea33709f6c381cd8bd..fc735734390d55ec1e6f73a3db9d20a713ade304 100644
--- a/source/njuthesis.dtx
+++ b/source/njuthesis.dtx
@@ -1980,7 +1980,7 @@ through XeTeX.
 \setmathfont{XITSMath-Regular}[
   BoldFont = XITSMath-Bold,
   Extension = .otf]
-\setmathfont{latinmodern-math.otf}[range={cal,bb,frak}]
+\setmathfont{NewCMMath-Regular.otf}[range={cal,bb,frak}]
 %    \end{macrocode}
 %
 %