diff --git a/cmd/riscv/sbi.c b/cmd/riscv/sbi.c
index 8fc8ab0ac5..ee11e0f88e 100644
--- a/cmd/riscv/sbi.c
+++ b/cmd/riscv/sbi.c
@@ -26,6 +26,7 @@ static struct sbi_imp implementations[] = {
 	{ 3, "KVM" },
 	{ 4, "RustSBI" },
 	{ 5, "Diosix" },
+	{ 6, "Coffer" },
 };
 
 static struct sbi_ext extensions[] = {