diff --git a/client/lib/snowflake.go b/client/lib/snowflake.go
index 2e68e36..50070af 100644
--- a/client/lib/snowflake.go
+++ b/client/lib/snowflake.go
@@ -48,7 +48,7 @@ func Handler(socks SocksConnector, snowflakes SnowflakeCollector) error {
 
 // Exchanges bytes between two ReadWriters.
 // (In this case, between a SOCKS and WebRTC connection.)
-func copyLoop(WebRTC, SOCKS io.ReadWriter) {
+func copyLoop(SOCKS, WebRTC io.ReadWriter) {
 	var wg sync.WaitGroup
 	wg.Add(2)
 	go func() {