diff --git a/session.go b/session.go
index a33c978..ebff00f 100644
--- a/session.go
+++ b/session.go
@@ -229,7 +229,7 @@ func (ses *Session) SetConfig(typeConfig TypeConfig, values interface{}) {
 			ses.transport.Proxy = nil
 		}
 	case CInsecure:
-		ses.transport.TLSClientConfig = &tls.Config{InsecureSkipVerify: !values.(bool)}
+		ses.transport.TLSClientConfig = &tls.Config{InsecureSkipVerify: values.(bool)}
 	case CTLS:
 		ses.transport.TLSClientConfig = values.(*tls.Config)
 	case CBasicAuth: