diff --git a/components/drivers/src/pipe.c b/components/drivers/src/pipe.c
index 3f14e6a8372754db4abb36dbef668c34ea43cc7d..8a6c97aabfd1812dd61d935fdc4def5836b6a087 100644
--- a/components/drivers/src/pipe.c
+++ b/components/drivers/src/pipe.c
@@ -224,7 +224,7 @@ rt_err_t rt_pipe_init(struct rt_pipe_device *pipe,
     pipe->flag = flag;
 
     /* create pipe */
-    pipe->parent.type    = RT_Device_Class_Char;
+    pipe->parent.type    = RT_Device_Class_Pipe;
     pipe->parent.init    = RT_NULL;
     pipe->parent.open    = RT_NULL;
     pipe->parent.close   = RT_NULL;
diff --git a/include/rtdef.h b/include/rtdef.h
index a3d13bfc445e4c25b6338f81e3b4d78b0a5c2686..6caf713f45b5c7a138cfe4ca24d719a70dce4bcc 100644
--- a/include/rtdef.h
+++ b/include/rtdef.h
@@ -739,6 +739,7 @@ enum rt_device_class_type
     RT_Device_Class_SPIDevice,                          /**< SPI device */
     RT_Device_Class_SDIO,                               /**< SDIO bus device */
     RT_Device_Class_PM,                                 /**< PM pseudo device */
+    RT_Device_Class_Pipe,                               /**< Pipe device */
     RT_Device_Class_Miscellaneous,                      /**< Miscellaneous device */
     RT_Device_Class_Unknown                             /**< unknown device */
 };