diff --git a/document-generator/document-template/build b/document-generator/document-template/build
index b98fc94..b3dfd8b 100755
--- a/document-generator/document-template/build
+++ b/document-generator/document-template/build
@@ -29,6 +29,8 @@
 OUTFORMAT=${1:-pdf}
 NAME=${2:-root}
 
+set -e
+
 ROOT_NAME="root_$NAME"
 [ ! -f "$DIR/$ROOT_NAME.tex" ] && ROOT_NAME="root"