diff --git a/check_process b/check_process
index 409ed35..0c21efd 100644
--- a/check_process
+++ b/check_process
@@ -14,7 +14,7 @@
 			port="666"	(PORT)
 	; pre-install
 			sudo yunohost app fetchlist
-			sudo yunohost app install https://github.com/tituspijean/zerotier_ynh
+			sudo yunohost app install https://github.com/tituspijean/zerotier_ynh --force
 	; Checks
 			pkg_linter=1
 			setup_sub_dir=0