diff --git a/scripts/upgrade b/scripts/upgrade
index 331bcfc..7e57a23 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -43,7 +43,7 @@ then
 	ynh_script_progression --message="Upgrading source files..." --weight=1
 
 	# Download, check integrity, uncompress and patch the source from app.src
-	ynh_setup_source --dest_dir="$install_dir"
+	ynh_setup_source --dest_dir="$install_dir" --full_replace=1
 
 	ynh_use_nodejs
 	$nodejs_path/corepack enable