diff --git a/install.sh b/install.sh
index 454f3b4..fd4dea7 100755
--- a/install.sh
+++ b/install.sh
@@ -71,6 +71,7 @@ function install_miaou_bash {
 
 # MAIN
 
+set -Eue
 install_miaou_bash
 install_mise
 install_ruby