diff --git a/headers/os/support/Errors.h b/headers/os/support/Errors.h
index 8a8331d42d..a382af8663 100644
--- a/headers/os/support/Errors.h
+++ b/headers/os/support/Errors.h
@@ -270,7 +270,20 @@ enum
 	B_DEV_RESOURCE_CONFLICT,
 	B_DEV_CONFIGURATION_ERROR,
 	B_DEV_DISABLED_BY_USER,
-	B_DEV_DOOR_OPEN
+	B_DEV_DOOR_OPEN,
+
+	B_DEV_INVALID_PIPE,
+	B_DEV_CRC_ERROR,
+	B_DEV_STALLED,
+	B_DEV_BAD_PID,
+	B_DEV_UNEXPECTED_PID,
+	B_DEV_DATA_OVERRUN,
+	B_DEV_DATA_UNDERRUN,
+	B_DEV_FIFO_OVERRUN,
+	B_DEV_FIFO_UNDERRUN,
+	B_DEV_PENDING,
+	B_DEV_MULTIPLE_ERRORS,
+	B_DEV_TOO_LATE,
 };
 
 /*-------------------------------------------------------------*/