diff --git a/src/main/java/de/tudresden/inf/mci/brailleplot/exporter/PrintDirector.java b/src/main/java/de/tudresden/inf/mci/brailleplot/exporter/PrintDirector.java
index 4b8617850a4070823e427bc29dcc8d85ce57cf24..edbef1db430142a67c4e708173e7e834cfc5dda4 100644
--- a/src/main/java/de/tudresden/inf/mci/brailleplot/exporter/PrintDirector.java
+++ b/src/main/java/de/tudresden/inf/mci/brailleplot/exporter/PrintDirector.java
@@ -34,7 +34,7 @@ public class PrintDirector {
             case NORMALPRINTER: mBuilder = new NormalBuilder();
             case INDEX_EVEREST_D_V4_GRAPHIC_PRINTER: mBuilder = new GraphicPrintBuilder();
             case INDEX_EVEREST_D_V4_FLOATINGDOT_PRINTER: mBuilder = new FloatingDotAreaBuilder();
-            default: mBuilder = new NormalBuilder();
+            default: throw new IllegalArgumentException();
         }
     }