diff --git a/components/drivers/spi/sfud/src/sfud.c b/components/drivers/spi/sfud/src/sfud.c
index f666b06806c64d61c76235cc850046989eeadf78..e5b03131ff3ccaef7c92d070d15c6e8228ab18d6 100644
--- a/components/drivers/spi/sfud/src/sfud.c
+++ b/components/drivers/spi/sfud/src/sfud.c
@@ -897,7 +897,7 @@ static sfud_err set_write_enabled(const sfud_flash *flash, bool enabled) {
         if (enabled && (register_status & SFUD_STATUS_REGISTER_WEL) == 0) {
             SFUD_INFO("Error: Can't enable write status.");
             return SFUD_ERR_WRITE;
-        } else if (!enabled && (register_status & SFUD_STATUS_REGISTER_WEL) == 1) {
+        } else if (!enabled && (register_status & SFUD_STATUS_REGISTER_WEL) != 0) {
             SFUD_INFO("Error: Can't disable write status.");
             return SFUD_ERR_WRITE;
         }
diff --git a/src/thread.c b/src/thread.c
index 3a3c97d0b67d8aaecd5473ab1825dcd2461f2845..74a573b78f4e61084fecade44a71be5616ececbb 100644
--- a/src/thread.c
+++ b/src/thread.c
@@ -585,7 +585,7 @@ rt_err_t rt_thread_delay_until(rt_tick_t *tick, rt_tick_t inc_tick)
 
     return RT_EOK;
 }
-RTM_EXPORT(rt_thread_delay_util);
+RTM_EXPORT(rt_thread_delay_until);
 
 /**
  * This function will let current thread delay for some milliseconds.