diff --git a/u_common.go b/u_common.go
index a9f90f75e3..b508f6baa2 100644
--- a/u_common.go
+++ b/u_common.go
@@ -158,7 +158,7 @@ func (p *ClientHelloID) Str() string {
 }
 
 func (p *ClientHelloID) IsSet() bool {
-	return (p.Client == "") && (p.Version == "")
+	return p.Client != "" || p.Version != ""
 }
 
 const (