diff --git a/server/routes/basepath.js b/server/routes/basepath.js
index 96e9829..a8fb0bb 100644
--- a/server/routes/basepath.js
+++ b/server/routes/basepath.js
@@ -12,7 +12,7 @@ router.get("/*", function(req, res, next) {
   const parts = url.parse(req.url),
     basePath = req.app.get("basePath");
 
-  if (!/\/[^/]+\.html$/.exec(parts.pathname)) {
+  if (!/^\/[^/]+\.html$/.exec(parts.pathname)) {
     return next();
   }