diff --git a/master/ioctl.h b/master/ioctl.h
index 93ef28f7..67ea95ff 100644
--- a/master/ioctl.h
+++ b/master/ioctl.h
@@ -134,8 +134,8 @@
 #define EC_IOCTL_SDO_REQUEST_STATE    EC_IOWR(0x4d, ec_ioctl_sdo_request_t)
 #define EC_IOCTL_SDO_REQUEST_READ     EC_IOWR(0x4e, ec_ioctl_sdo_request_t)
 #define EC_IOCTL_SDO_REQUEST_WRITE    EC_IOWR(0x4f, ec_ioctl_sdo_request_t)
-#define EC_IOCTL_SDO_REQUEST_DATA     EC_IOWR(0x40, ec_ioctl_sdo_request_t)
-#define EC_IOCTL_REG_REQUEST_DATA     EC_IOWR(0x41, ec_ioctl_reg_request_t)
+#define EC_IOCTL_SDO_REQUEST_DATA     EC_IOWR(0x50, ec_ioctl_sdo_request_t)
+#define EC_IOCTL_REG_REQUEST_DATA     EC_IOWR(0x51, ec_ioctl_reg_request_t)
 #define EC_IOCTL_REG_REQUEST_STATE    EC_IOWR(0x52, ec_ioctl_reg_request_t)
 #define EC_IOCTL_REG_REQUEST_WRITE    EC_IOWR(0x53, ec_ioctl_reg_request_t)
 #define EC_IOCTL_REG_REQUEST_READ     EC_IOWR(0x54, ec_ioctl_reg_request_t)