diff --git a/scripts/install b/scripts/install
index 4732e46..4ead117 100644
--- a/scripts/install
+++ b/scripts/install
@@ -178,14 +178,14 @@ ynh_mysql_execute_as_root --sql="$sql_command" --database=$db_name
 case $language in
   fr)
     ynh_script_progression --message="Installing French extension..." --weight=2
-    ynh_composer_exec --user=$app --phpversion=$phpversion --workdir=$final_path --commands="require qiaeru/lang-french"
+    ynh_exec_warn_less ynh_composer_exec --user=$app --phpversion=$phpversion --workdir=$final_path --commands=\"require qiaeru/lang-french\"
     activate_flarum_extension $db_name "qiaeru-lang-french"
     sql_command="UPDATE \`settings\` SET \`value\` = 'fr' WHERE \`settings\`.\`key\` = 'default_locale'"
     ynh_mysql_execute_as_root --sql="$sql_command" --database=$db_name
     ;;
   de)
     ynh_script_progression --message="Installing German extension..." --weight=2
-    ynh_composer_exec --user=$app --phpversion=$phpversion --workdir=$final_path --commands="require cbmainz/flarum-de"
+    ynh_exec_warn_less ynh_composer_exec --user=$app --phpversion=$phpversion --workdir=$final_path --commands=\"require cbmainz/flarum-de\"
     activate_flarum_extension $db_name "cbmainz-de"
     sql_command="UPDATE \`settings\` SET \`value\` = 'de' WHERE \`settings\`.\`key\` = 'default_locale'"
     ynh_mysql_execute_as_root --sql="$sql_command" --database=$db_name
diff --git a/scripts/upgrade b/scripts/upgrade
index f9262c2..531b61f 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -204,14 +204,14 @@ fi
 case $language in
   fr)
     ynh_script_progression --message="Installing French extension..." --weight=2
-    ynh_composer_exec --user=$app --phpversion=$phpversion --workdir=$final_path --commands="require qiaeru/lang-french"
+    ynh_exec_warn_less ynh_composer_exec --user=$app --phpversion=$phpversion --workdir=$final_path --commands=\"require qiaeru/lang-french\"
     activate_flarum_extension $db_name "qiaeru-lang-french"
     sql_command="UPDATE \`settings\` SET \`value\` = 'fr' WHERE \`settings\`.\`key\` = 'default_locale'"
     ynh_mysql_execute_as_root "$sql_command" $db_name
     ;;
   de)
     ynh_script_progression --message="Installing German extension..." --weight=2
-    ynh_composer_exec --user=$app --phpversion=$phpversion --workdir=$final_path --commands="require cbmainz/flarum-de"
+    ynh_exec_warn_less ynh_composer_exec --user=$app --phpversion=$phpversion --workdir=$final_path --commands=\"require cbmainz/flarum-de\"
     activate_flarum_extension $db_name "cbmainz-de"
     sql_command="UPDATE \`settings\` SET \`value\` = 'de' WHERE \`settings\`.\`key\` = 'default_locale'"
     ynh_mysql_execute_as_root "$sql_command" $db_name