diff --git a/Makefile b/Makefile
index 7558699cd44329c7fed160ee84f27ce4282fd40a..d2ee53c1128f8414f3062926a5ac90f1ac265b6c 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@ doc:
 	cd Doc;$(MAKE) -j8 all
 
 all:doc
-	mvn install 
+	mvn --fail-at-end install 
 	mvn -T 8 --fail-at-end javadoc:javadoc
 	mkdir -p Doc/target/navi/de.hdm_stuttgart.mi.lectures/P
 	cd P;$(MAKE) -j 8 install