diff --git a/include/media/v4l2-device.h b/include/media/v4l2-device.h
index 0dd3e8e8653e136d28b97154d35c9cdb7f074b09..9afd39fb2cfcf4f69495759eb9ab7cb23341cf74 100644
--- a/include/media/v4l2-device.h
+++ b/include/media/v4l2-device.h
@@ -30,7 +30,7 @@
    basic V4L2 device-level support.
  */
 
-#define V4L2_DEVICE_NAME_SIZE (BUS_ID_SIZE + 16)
+#define V4L2_DEVICE_NAME_SIZE (20 + 16)
 
 struct v4l2_device {
 	/* dev->driver_data points to this struct.