diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h
index d19b832e8..5f0dd7be6 100644
--- a/arch/riscv/include/asm/sbi.h
+++ b/arch/riscv/include/asm/sbi.h
@@ -31,6 +31,7 @@ enum sbi_ext_id {
 	SBI_EXT_SRST = 0x53525354,
 	SBI_EXT_SUSP = 0x53555350,
 	SBI_EXT_PMU = 0x504D55,
+	SBI_EXT_CONFIG_IOPMP = 0x5A5A5A5A,
 
 	/* Experimentals extensions must lie within this range */
 	SBI_EXT_EXPERIMENTAL_START = 0x08000000,
@@ -38,7 +39,6 @@ enum sbi_ext_id {
 
 	/* Vendor extensions must lie within this range */
 	SBI_EXT_VENDOR_START = 0x09000000,
-	SBI_EXT_CONFIG_IOPMP = 0x0900005a,
 	SBI_EXT_VENDOR_END = 0x09FFFFFF,
 };