diff --git a/bash/ovh-rescue.sh b/bash/ovh-rescue.sh
index 0e5c909..faed2e1 100644
--- a/bash/ovh-rescue.sh
+++ b/bash/ovh-rescue.sh
@@ -37,6 +37,8 @@ fr_FR.UTF-8 UTF-8
     locale-gen
     # update catalog
     apt-get update
+    #
+    debian_disable_frontend
     # install packages
     apt-get install --assume-yes "${packages[@]}"
 }
@@ -64,7 +66,7 @@ function ovh-rescue-install {
     # update catalog
     apt-get update
     #
-    export DEBIAN_FRONTEND='noninteractive'
+    debian_disable_frontend
     # upgrade packages
     apt-get upgrade --assume-yes
     # install packages