diff --git a/scripts/install b/scripts/install
index 2305f9a..4b2576d 100644
--- a/scripts/install
+++ b/scripts/install
@@ -7,6 +7,7 @@
 #=================================================
 
 source _common.sh
+source ynh_composer__2
 source /usr/share/yunohost/helpers
 
 #=================================================