diff --git a/source/schoolbook.sty b/source/schoolbook.sty
index 587a3d88cc2c79cc48c5e8e9b907042ef7534ccf..caa9f822dc1ea18dd3eb723c8347b8fc5dd594a8 100644
--- a/source/schoolbook.sty
+++ b/source/schoolbook.sty
@@ -1,5 +1,5 @@
 \NeedsTeXFormat{LaTeX2e}
-\def\filedate{2017/01/08}%
+\def\filedate{2019/03/07}%
 \def\fileversion{0.2}%
 \ProvidesPackage{schoolbook}%
 [\filedate\space\fileversion\space Math for tgschola]%
@@ -59,7 +59,7 @@
 \RequirePackage[T1]{fontenc}
 \RequirePackage{textcomp}
 
-\RequirePackage[scale=0.85]{tgheros}
+\RequirePackage{tgheros}
 %\RequirePackage[scaled=0.83]{berasans}
 
 \renewcommand{\ttdefault}{txtt}