diff --git a/scripts/install b/scripts/install
index 37dcd8d..6053e23 100644
--- a/scripts/install
+++ b/scripts/install
@@ -6,6 +6,7 @@
 # IMPORT GENERIC HELPERS
 #=================================================
 
+set -eu
 source .fonctions
 source /usr/share/yunohost/helpers