diff --git a/linux/peci-ioctl.h b/linux/peci-ioctl.h
index c0f0bb3..6bd34a1 100644
--- a/linux/peci-ioctl.h
+++ b/linux/peci-ioctl.h
@@ -600,7 +600,7 @@
 	__u8	data[16];
 } __attribute__((__packed__));
 
-#define PECI_IOC_BASE	0xb7
+#define PECI_IOC_BASE	0xb8
 
 #define PECI_IOC_XFER \
 	_IOWR(PECI_IOC_BASE, PECI_CMD_XFER, struct peci_xfer_msg)