diff --git a/source/webpack.prod.js b/source/webpack.prod.js
index 53c34a409..2ea7ec5f3 100644
--- a/source/webpack.prod.js
+++ b/source/webpack.prod.js
@@ -12,6 +12,7 @@ module.exports = {
 			// chunks: ['bundle'],
 			swDest: 'sw.js',
 			navigateFallback: '/',
+			navigateFallbackBlacklist: [/.*\?site=.*$/],
 			runtimeCaching: [
 				{
 					urlPattern: new RegExp(