diff --git a/app/controllers/repositories_controller.rb b/app/controllers/repositories_controller.rb
index 07c209730..4f838aa51 100644
--- a/app/controllers/repositories_controller.rb
+++ b/app/controllers/repositories_controller.rb
@@ -238,7 +238,7 @@ class RepositoriesController < ApplicationController
   def archive
     domain  = Gitea.gitea_config[:domain]
     api_url = Gitea.gitea_config[:base_url]
-    archive_url = "/repos/#{@owner.login}/#{@repository.identifier}/archive/#{params[:archive]}"
+    archive_url = "/repos/#{@owner.login}/#{@repository.identifier}/archive/#{URI.escape(params[:archive])}"
 
     file_path = [domain, api_url, archive_url].join
     file_path = [file_path, "access_token=#{current_user&.gitea_token}"].join("?") if @repository.hidden?