diff --git a/include/ubi_uboot.h b/include/ubi_uboot.h
index 60f6a5fb4f53ed7464f1c5d3d53d088d501ef494..d2c90a6b44715b64f6fbf5df84e99ba1bc633018 100644
--- a/include/ubi_uboot.h
+++ b/include/ubi_uboot.h
@@ -123,7 +123,7 @@ typedef int	wait_queue_head_t;
 #define init_rwsem(...)			do { } while (0)
 #define down_read(...)			do { } while (0)
 #define down_write(...)			do { } while (0)
-#define down_write_trylock(...)		0
+#define down_write_trylock(...)		1
 #define up_read(...)			do { } while (0)
 #define up_write(...)			do { } while (0)