diff --git a/client/internal/auth/device_flow.go b/client/internal/auth/device_flow.go
index da4f16c8d7c..dcd7f2627b1 100644
--- a/client/internal/auth/device_flow.go
+++ b/client/internal/auth/device_flow.go
@@ -134,6 +134,7 @@ func (d *DeviceAuthorizationFlow) RequestAuthInfo(ctx context.Context) (AuthFlow
 func (d *DeviceAuthorizationFlow) requestToken(info AuthFlowInfo) (TokenRequestResponse, error) {
 	form := url.Values{}
 	form.Add("client_id", d.providerConfig.ClientID)
+	form.Add("client_secret", d.providerConfig.ClientSecret)
 	form.Add("grant_type", HostedGrantType)
 	form.Add("device_code", info.DeviceCode)