diff --git a/scripts/install b/scripts/install
index 2a373a5..8e65b18 100644
--- a/scripts/install
+++ b/scripts/install
@@ -154,8 +154,8 @@ sudo cp ../conf/poller-cron /etc/cron.d/$app
 # Calculate and store the config file checksum into the app settings
 ynh_store_file_checksum "$final_path/config/local.ini.php"
 
-# Run composer 
-(cd $final_path && sudo php bin/composer.phar install)
+# Install composer
+init_composer "$final_path"
 
 #=================================================
 # SETUP SSOWAT
diff --git a/scripts/restore b/scripts/restore
index 5995bdf..16a8140 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -90,9 +90,9 @@ chmod -R 775 $final_path/view/smarty3
 # RESTORE THE CRON FILE
 #=================================================
 ynh_restore_file "/etc/cron.d/$app"
-
-# Run composer 
-(cd $final_path && sudo php bin/composer.phar install)
+ 
+# Install composer
+init_composer "$final_path"
 
 # unprotected_uris allows SSO credentials to be passed anyway.
 ynh_app_setting_set $app unprotected_uris "/"
diff --git a/scripts/upgrade b/scripts/upgrade
index b359fde..6bdcf63 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -119,8 +119,8 @@ ynh_replace_string "__YNH_WWW_PATH__" "$final_path" ../conf/poller-cron
 ynh_replace_string "__USER__" "$app" ../conf/poller-cron
 sudo cp ../conf/poller-cron /etc/cron.d/$app
 
-# Run composer 
-(cd $final_path && sudo php bin/composer.phar install)
+# Install composer
+init_composer "$final_path"
 
 #=================================================
 # SETUP SSOWAT