diff --git a/cmd/riscv/sbi.c b/cmd/riscv/sbi.c
index 522f502..9bbe7d4 100644
--- a/cmd/riscv/sbi.c
+++ b/cmd/riscv/sbi.c
@@ -74,6 +74,7 @@
 					       vers >> 16, vers & 0xffff);
 					break;
 				case 3: /* KVM */
+				case 4: /* RustSBI */
 					printf("%ld.%ld.%ld",
 					       vers >> 16,
 					       (vers >> 8) & 0xff,