diff --git a/platformapi/fnpsapi/fnpsapi.go b/platformapi/fnpsapi/fnpsapi.go
index c283e046..863ac0f6 100644
--- a/platformapi/fnpsapi/fnpsapi.go
+++ b/platformapi/fnpsapi/fnpsapi.go
@@ -142,6 +142,7 @@ func (a *API) GetAccessToken() (tokenInfo *TokenInfo, err error) {
 	var result map[string]interface{}
 	switch {
 	case a.accessToken != "" && a.refreshToken != "":
+		parameter["refresh_token"] = a.refreshToken
 		result, err = a.AccessAPI(RefreshTokenUrl, "", RequestPost, parameter)
 	case a.accessToken == "" && a.refreshToken == "":
 		parameter["grant_type"] = "authorization_code"