diff --git a/Formula/mihomo.rb b/Formula/mihomo.rb
index 3093ac8..07bbf4a 100644
--- a/Formula/mihomo.rb
+++ b/Formula/mihomo.rb
@@ -11,7 +11,7 @@ def install
     build_time = Time.now.utc.strftime("%a %b %d %H:%M:%S UTC %Y")
     ldflags = "-s -w -X 'github.com/metacubex/mihomo/constant.Version=#{version}' -X 'github.com/metacubex/mihomo/constant.BuildTime=#{build_time}' -buildid="
     tags = "with_gvisor"
-    system "go", "build", "-tags", tags, *std_go_args(ldflags: ldflags)
+    system "go", "build", "-tags", tags, *std_go_args(ldflags:)
   end
 
   def post_install