diff --git a/src/main/scala/gitbucket/core/controller/PreProcessController.scala b/src/main/scala/gitbucket/core/controller/PreProcessController.scala
index 9e21ecc..4a368b0 100644
--- a/src/main/scala/gitbucket/core/controller/PreProcessController.scala
+++ b/src/main/scala/gitbucket/core/controller/PreProcessController.scala
@@ -32,6 +32,7 @@
   get(!context.settings.allowAnonymousAccess, context.loginAccount.isEmpty) {
     if (!context.currentPath.startsWith("/assets") && !context.currentPath.startsWith("/signin") &&
         !context.currentPath.startsWith("/register") && !context.currentPath.endsWith("/info/refs") &&
+        !context.currentPath.startsWith("/plugin-assets") &&
         !PluginRegistry().getAnonymousAccessiblePaths().exists { path =>
           context.currentPath.startsWith(path)
         }) {