diff --git a/manifest.json b/manifest.json
index 371736a..53498f0 100644
--- a/manifest.json
+++ b/manifest.json
@@ -20,7 +20,7 @@
         "email": "cecchetto.sylvain@me.com"
     },
     "requirements": {
-        "yunohost": ">= 4.1"
+        "yunohost": ">= 4.3.0"
     },
     "multi_instance": false,
     "services": [
diff --git a/scripts/install b/scripts/install
index d40f91f..89f0798 100644
--- a/scripts/install
+++ b/scripts/install
@@ -105,7 +105,7 @@ echo tvheadend tvheadend/admin_password password $password | debconf-set-selecti
 echo tvheadend tvheadend/admin_username string $superuser | debconf-set-selections
 echo tvheadend tvheadend/last_notes note | debconf-set-selections
 
-ynh_exec_warn_less DEBIAN_FRONTEND=noninteractive dpkg -i $tvheadend_deb_dst
+DEBIAN_FRONTEND=noninteractive ynh_exec_warn_less dpkg -i $tvheadend_deb_dst
 
 ynh_secure_remove --file="$temp_folder"
 
diff --git a/scripts/restore b/scripts/restore
index 93c22ce..e4341a8 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -96,7 +96,7 @@ echo tvheadend tvheadend/admin_password password $password | debconf-set-selecti
 echo tvheadend tvheadend/admin_username string $superuser | debconf-set-selections
 echo tvheadend tvheadend/last_notes note | debconf-set-selections
 
-ynh_exec_warn_less DEBIAN_FRONTEND=noninteractive dpkg -i $tvheadend_deb_dst
+DEBIAN_FRONTEND=noninteractive ynh_exec_warn_less dpkg -i $tvheadend_deb_dst
 
 ynh_secure_remove --file="$temp_folder"
 
diff --git a/scripts/upgrade b/scripts/upgrade
index f3db238..e1d5c62 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -92,7 +92,7 @@ then
     #=================================================
     ynh_script_progression --message="Upgrading Tvheadend..." --weight=24
 
-    ynh_exec_warn_less DEBIAN_FRONTEND=noninteractive dpkg --force-confold -i $tvheadend_deb_dst
+    DEBIAN_FRONTEND=noninteractive ynh_exec_warn_less dpkg --force-confold -i $tvheadend_deb_dst
 
     ynh_secure_remove --file="$temp_folder"