diff --git a/rust/config/riscv64_device.go b/rust/config/riscv64_device.go
index e9aa8ef61..0a9c61a64 100644
--- a/rust/config/riscv64_device.go
+++ b/rust/config/riscv64_device.go
@@ -24,8 +24,12 @@ var (
 	Riscv64RustFlags = []string{
 		"-C force-frame-pointers=y",
 	}
-	Riscv64ArchFeatureRustFlags = map[string][]string{"": {}}
-	Riscv64LinkFlags            = []string{}
+	Riscv64ArchFeatureRustFlags = map[string][]string{
+		"riscv64": {
+			"-C target-feature=+V,+Zba,+Zbb,+Zbs",
+		},
+	}
+	Riscv64LinkFlags = []string{}
 
 	Riscv64ArchVariantRustFlags = map[string][]string{"": {}}
 )