diff --git a/scripts/upgrade b/scripts/upgrade
index 0f1805d..614d56f 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -57,7 +57,7 @@ then
 	ynh_script_progression --message="Upgrading source files..." --weight=5
 
 	# Download, check integrity, uncompress and patch the source from app.src
-	ynh_setup_source --dest_dir="$final_path" --keep="$final_path/data"
+	ynh_setup_source --dest_dir="$final_path" --keep="$final_path/data/_data_"
 fi
 
 chmod 750 "$final_path"