diff --git a/scripts/upgrade b/scripts/upgrade
index 7c607fe..43bbe47 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -89,7 +89,7 @@ then
 	ynh_script_progression --message="Upgrading source files..." --weight=5
 	
 	# Download, check integrity, uncompress and patch the source from app.src
-	ynh_add_config --template="../conf/app.src.default" --destination="../conf/app.src"
+	ynh_add_config --template="../conf/app.$mach.src" --destination="../conf/app.src"
 	ynh_setup_source --dest_dir="$final_path"
 	tar xfvz $final_path/app.tgz --strip-component=1 --directory=$final_path/
 	ynh_secure_remove $final_path/app.tgz