diff --git a/scripts/_common.sh b/scripts/_common.sh
index 5714a73..5f9c99a 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -10,6 +10,30 @@ YNH_COMPOSER_VERSION="2.6.5"
 # PERSONAL HELPERS
 #=================================================
 
+# Requires YunoHost version 4.2 or higher.
+ynh_composer_execute() {
+    local _globalphpversion=${phpversion-:}
+    # Declare an array to define the options of this helper.
+    local legacy_args=vwc
+    declare -Ar args_array=([v]=phpversion= [w]=workdir= [c]=commands=)
+    local phpversion
+    local workdir
+    local commands
+    # Manage arguments with getopts
+    ynh_handle_getopts_args "$@"
+    workdir="${workdir:-${install_dir:-$final_path}}"
+
+    if dpkg --compare-versions ${YNH_APP_PACKAGING_FORMAT:-0} lt 2; then
+        phpversion="${phpversion:-$YNH_PHP_VERSION}"
+    else
+        phpversion="${phpversion:-$_globalphpversion}"
+    fi
+
+    COMPOSER_HOME="sudo -u $app $workdir/.composer" COMPOSER_MEMORY_LIMIT=-1 \
+        php${phpversion} "$workdir/composer.phar" $commands \
+        -d "$workdir" --no-interaction --no-ansi 2>&1
+}
+
 #=================================================
 # EXPERIMENTAL HELPERS
 #=================================================
diff --git a/scripts/install b/scripts/install
index bfaef01..4ea7109 100644
--- a/scripts/install
+++ b/scripts/install
@@ -59,7 +59,7 @@ ynh_install_composer
 ln -s $(which php$phpversion) $install_dir/php
 PATH=$install_dir:$PATH
 
-ynh_exec_warn_less ynh_composer_exec --commands="movim:migrate"
+ynh_exec_warn_less ynh_composer_execute --commands="movim:migrate"
 rm $install_dir/php
 ynh_exec_as "$app" "php$phpversion" "$install_dir/daemon.php" config --username="$admin" --password="$password" --quiet