diff --git a/dde_linux/src/drivers/usb/arm/platform/lx_emul.h b/dde_linux/src/drivers/usb/arm/platform/lx_emul.h
index 8a7a6ee43..c4b2029b3 100644
--- a/dde_linux/src/drivers/usb/arm/platform/lx_emul.h
+++ b/dde_linux/src/drivers/usb/arm/platform/lx_emul.h
@@ -19,7 +19,7 @@
 
 enum {
 	SZ_1K = 0x00000400,
-	SZ_4K = 0x00001000a,
+	SZ_4K = 0x00001000,
 };
 
 struct platform_device