diff --git a/components/drivers/i2c/i2c-bit-ops.c b/components/drivers/i2c/i2c-bit-ops.c
index dd294731aa..ee6acd886d 100644
--- a/components/drivers/i2c/i2c-bit-ops.c
+++ b/components/drivers/i2c/i2c-bit-ops.c
@@ -54,7 +54,7 @@ static rt_err_t SCL_H(struct rt_i2c_bit_ops *ops)
     {
         if ((rt_tick_get() - start) > ops->timeout)
             return -RT_ETIMEOUT;
-        rt_thread_delay((ops->timeout + 1) >> 1);
+        i2c_delay(ops);
     }
 #ifdef RT_I2C_BITOPS_DEBUG
     if (rt_tick_get() != start)