diff --git a/conn_test.go b/conn_test.go
index 3ca810c56118f6b90b82270963810fec8f89b250..0fbd17403cd06e2ae51b1ea3c42842e8f80361d7 100644
--- a/conn_test.go
+++ b/conn_test.go
@@ -214,7 +214,7 @@ func TestConn(t *testing.T) {
 		n1 := websocket.NetConn(tt.ctx, c1, websocket.MessageBinary)
 		n2 := websocket.NetConn(tt.ctx, c2, websocket.MessageBinary)
 
-		s := strings.Repeat("papa", 1 << 20)
+		s := strings.Repeat("papa", 1<<20)
 		errs := xsync.Go(func() error {
 			_, err := n2.Write([]byte(s))
 			if err != nil {