diff --git a/Vorträge/arduino/arduino.tex b/Vorträge/arduino/arduino.tex
index e0386fd..eeadd9b 100644
--- a/Vorträge/arduino/arduino.tex
+++ b/Vorträge/arduino/arduino.tex
@@ -1,5 +1,8 @@
+\RequirePackage{pdf14}
 \documentclass[xcolor=svgnames]{beamer}
 
+
+
 \usepackage[utf8]    {inputenc}
 \usepackage[T1]      {fontenc}
 \usepackage[ngerman] {babel}