diff --git a/drivers/staging/rtl8723au/include/rtl8723a_hal.h b/drivers/staging/rtl8723au/include/rtl8723a_hal.h
index 8ee301b44f0f862ce75309c9773b3f531b8f2ea8..d40e420dd050c40e84497154f35d192a25b9d869 100644
--- a/drivers/staging/rtl8723au/include/rtl8723a_hal.h
+++ b/drivers/staging/rtl8723au/include/rtl8723a_hal.h
@@ -85,7 +85,7 @@ struct rt_8723a_firmware_hdr {
 	u8		Function;	/*  Reserved for different FW function indcation, for further use when driver needs to download different FW in different conditions */
 	u16		Version;		/*  FW Version */
 	u8		Subversion;	/*  FW Subversion, default 0x00 */
-	u16		Rsvd1;
+	u8		Rsvd1;
 
 
 	/*  LONG WORD 1 ---- */