diff --git a/src/tori b/src/tori
index 05501a7..a025a5d 100755
--- a/src/tori
+++ b/src/tori
@@ -13,6 +13,8 @@ TMP_DIR="/tmp/tori"
 argument="$1"
 parameter="$2"
 
+set_opts -
+
 ## global constants
 OS="$(uname -s)"
 
diff --git a/src/utility.sh b/src/utility.sh
index cfd0e14..d280751 100644
--- a/src/utility.sh
+++ b/src/utility.sh
@@ -13,6 +13,14 @@ log() {
 	fi
 }
 
+set_opts() {
+  sign="$1"
+
+  set "${sign}o" errexit
+  set "${sign}o" nounset
+  set "${sign}o" pipefail
+}
+
 prepare_directories() {
 	if ! [ -d "$TMP_DIR" ]; then
 		mkdir "$TMP_DIR"