diff --git a/Fonts/STIXTwoMath-Regular.otf b/Fonts/STIXTwoMath-Regular.otf
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diff --git a/Fonts/STIXTwoText-BoldItalic.otf b/Fonts/STIXTwoText-BoldItalic.otf
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diff --git a/Fonts/STIXTwoText-Medium.otf b/Fonts/STIXTwoText-Medium.otf
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diff --git a/Fonts/STIXTwoText-MediumItalic.otf b/Fonts/STIXTwoText-MediumItalic.otf
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diff --git a/Fonts/STIXTwoText-Regular.otf b/Fonts/STIXTwoText-Regular.otf
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diff --git a/Fonts/STIXTwoText-SemiBold.otf b/Fonts/STIXTwoText-SemiBold.otf
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diff --git a/Fonts/STIXTwoText-SemiBoldItalic.otf b/Fonts/STIXTwoText-SemiBoldItalic.otf
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diff --git a/rudissertation.sty b/rudissertation.sty
index 5ca2962..5c9dcc0 100644
--- a/rudissertation.sty
+++ b/rudissertation.sty
@@ -37,17 +37,12 @@
 %% ---------------- Internationalization -----------------------------
 % Font setup
 % Standardized STIX2 fonts that print well, display on
-% e-readers/screens clearly, and have compatible licensing
-% requirements
+% e-readers/screens clearly, and have compatible licensing requirements
 % allows UTF encoding, needed for Icelandic and other accented characters
-\RequirePackage{unicode-math}% loads STIX and math unicode characters
+% LuaLaTeX/XeLaTeX only!
+\RequirePackage{unicode-math}% loads STIX2 and math unicode characters
 \setmathfont{STIX Two Math}
-\setmainfont{STIX Two Text}[
-Extension={.otf},
-UprightFont={*-Regular},
-BoldFont={*-Bold},
-ItalicFont={*-Italic},
-BoldItalicFont={*-BoldItalic}]
+\setmainfont{STIX Two Text}
 
 %% ---------------- Graphics ------------------------------
 \RequirePackage{graphicx}
diff --git a/ruthesis.sty b/ruthesis.sty
index 2987bb8..d31fc76 100644
--- a/ruthesis.sty
+++ b/ruthesis.sty
@@ -37,20 +37,12 @@
 %% ---------------- Internationalization -----------------------------
 % Font setup
 % Standardized STIX2 fonts that print well, display on
-% e-readers/screens clearly, and have compatible licensing
-% requirements
+% e-readers/screens clearly, and have compatible licensing requirements
 % allows UTF encoding, needed for Icelandic and other accented characters
-\RequirePackage{fontspec}
-\RequirePackage{unicode-math}% loads STIX and math unicode characters
-
+% LuaLaTeX/XeLaTeX only!
+\RequirePackage{unicode-math}% loads STIX2 and math unicode characters
 \setmathfont{STIX Two Math}
-\setmainfont{STIXTwoText}[
-Path={./Fonts/},
-Extension={.otf},
-UprightFont={*-Regular},
-BoldFont={*-Bold},
-ItalicFont={*-Italic},
-BoldItalicFont={*-BoldItalic}]
+\setmainfont{STIX Two Text}
 %% ---------------- Page and Margin Sizes -----------------------------
 \setxlvchars{}\setlxvchars{}
 \pageaiv{}