diff --git a/samples/sample_c/platform/rtos_freertos/stm32f4_discovery/application/application.c b/samples/sample_c/platform/rtos_freertos/stm32f4_discovery/application/application.c
index de266f4..39bd495 100644
--- a/samples/sample_c/platform/rtos_freertos/stm32f4_discovery/application/application.c
+++ b/samples/sample_c/platform/rtos_freertos/stm32f4_discovery/application/application.c
@@ -412,7 +412,7 @@ static T_DjiReturnCode DjiUser_FillInUserInfo(T_DjiUserInfo *userInfo)
     if (!strcmp(USER_APP_NAME, "your_app_name") ||
         !strcmp(USER_APP_ID, "your_app_id") ||
         !strcmp(USER_APP_KEY, "your_app_key") ||
-        !strcmp(USER_BAUD_RATE, "your_app_license") ||
+        !strcmp(USER_APP_LICENSE, "your_app_license") ||
         !strcmp(USER_DEVELOPER_ACCOUNT, "your_developer_account") ||
         !strcmp(USER_BAUD_RATE, "your_baud_rate")) {
         USER_LOG_ERROR(