diff --git a/scripts/_common.sh b/scripts/_common.sh
index eefe918..090d8c1 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -16,9 +16,8 @@ carddav_version=5.0.1
 # DEFINE ALL COMMON FONCTIONS
 #=================================================
 
-install_composer() {
+setup_composer_deps() {
 	cp "$install_dir/composer.json-dist" "$install_dir/composer.json"
-	ynh_install_composer
 }
 
 configure_roundcube() {
diff --git a/scripts/install b/scripts/install
index 4ca8152..ae337be 100644
--- a/scripts/install
+++ b/scripts/install
@@ -59,7 +59,8 @@ ynh_mysql_connect_as --user="$db_user" --password="$db_pwd" --database="$db_name
 # INSTALL DEPENDENCIES AND PLUGINS
 #=================================================
 ynh_script_progression --message="Installing Roundcube with Composer..." --weight=30
-install_composer
+setup_composer_deps
+ynh_install_composer
 
 ynh_script_progression --message="Configuring Roundcube..." --weight=2
 configure_roundcube
diff --git a/scripts/upgrade b/scripts/upgrade
index bf549fc..3929a14 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -83,7 +83,7 @@ ynh_add_nginx_config
 # CONFIGURE ROUNDCUBE
 #=================================================
 ynh_script_progression --message="Installing Roundcube with Composer..." --weight=30
-install_composer
+setup_composer_deps
 ynh_composer_exec --commands="update --no-dev"
 
 ynh_script_progression --message="Configuring Roundcube..." --weight=2