diff --git a/zeitlaeufer/compileProject.sh b/zeitlaeufer/compileProject.sh
index f32029f..7de1c28 100644
--- a/zeitlaeufer/compileProject.sh
+++ b/zeitlaeufer/compileProject.sh
@@ -1,3 +1,4 @@
 #/usr/bin/env bash
+set -euo pipefail
 
 javac -d target/ src/**/*.java