diff --git a/hhuthesis.cls b/hhuthesis.cls
index b1220c64474abf3cea096ce1c7754ddb63e473f3..a4ff1d883acd9011c2d41c0fb8f72be9d5fb4d54 100644
--- a/hhuthesis.cls
+++ b/hhuthesis.cls
@@ -1,5 +1,5 @@
 \NeedsTeXFormat{LaTeX2e}
-\ProvidesClass{hhuthesis}[2020/09/03 HHU Thesis LaTeX document class v1.17]
+\ProvidesClass{hhuthesis}[2020/09/03 HHU Thesis LaTeX document class v1.18]
 
 \DeclareOption*{\PassOptionsToClass{\CurrentOption}{article}} % Options fallback.
 \ProcessOptions\relax
@@ -115,6 +115,7 @@
 %%% Formatting and Typesetting
 
 %% Corporate Design says to use Arial, but TeXLive only provides helvet
+\RequirePackage{sansmathfonts}
 \RequirePackage[scaled=0.9]{helvet}
 \renewcommand{\familydefault}{\sfdefault}
 \RequirePackage[scaled=0.85]{beramono}