diff --git a/client.go b/client.go
index 3f49a47..8b2ff9c 100644
--- a/client.go
+++ b/client.go
@@ -240,11 +240,12 @@ func New(config *config.Config) (*Client, error) {
 		}
 		// client.logger.Debug("unmarshaled json data", "request", "auth", "type", "sessionData", "body", sd)
 
-		if client.isRegistered {
-			client.logger.Debug("Client authentication successful", "isRegistered", sd.DeviceRegistered)
+		if sd.DeviceRegistered && sd.RegisteredDevicePermanent {
+			client.logger.Debug("client authentication successful")
 			client.isAuthenticated = true
-			client.isRegistered = sd.DeviceRegistered
+			client.isRegistered = true
 		} else {
+			client.logger.Debug("client authentication successful, but devices is not registered")
 			client.registerDevice()
 		}