diff --git a/scripts/install b/scripts/install
index 3d3878b..70c9229 100644
--- a/scripts/install
+++ b/scripts/install
@@ -178,9 +178,9 @@ env_file="$final_path/.env"
 
 export MIX_ENV=prod FLAVOUR=classic
 
-ynh_exec_warn_less ynh_exec_as $app -s $SHELL -lc just config
+ynh_exec_warn_less just config
 # generate secrets
-ynh_exec_warn_less ynh_exec_as $app -s $SHELL -lc  just secrets
+ynh_exec_warn_less just secrets
 
 ynh_replace_string --match_string="HOSTNAME=localhost" --replace_string="HOSTNAME=$domain" --target_file="$env_file"
 # TODO : mail service ?
@@ -194,8 +194,8 @@ ynh_replace_string --match_string="" --replace_string="" --target_file="$env_fil
 #=================================================
 ynh_exec_warn_less ynh_exec_as $app -s $SHELL -lc mix deps.get --only prod
 
-ynh_exec_warn_less ynh_exec_as $app -s $SHELL -lc just js-deps-get
-ynh_exec_warn_less ynh_exec_as $app -s $SHELL -lc just assets-prepare
+ynh_exec_warn_less just js-deps-get
+ynh_exec_warn_less just assets-prepare
 ynh_exec_warn_less ynh_exec_as $app -s $SHELL -lc mix phx.digest
 
 # create an elexir release