diff --git a/scripts/upgrade b/scripts/upgrade
index 81e0906..8c53ddc 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -24,7 +24,7 @@ index_page=$(basename -s .zip $upstream_source_url).html #this variable will als
 if [ "$upgrade_type" == "UPGRADE_APP" ]
 then
 	ynh_script_progression --message="Upgrading source files..." --weight=10
-	ynh_setup_source --dest_dir="$install_dir"
+	ynh_setup_source --dest_dir="$install_dir" --full_replace=1
 	ynh_replace_string --match_string="$source_filename" --replace_string="$upstream_source_url" --target_file="$install_dir/$index_page" #replace link to local source file with link to upstream source file 
 	chown -R $app:www-data "$install_dir"
 fi