diff --git a/tools/testing/selftests/wireguard/qemu/arch/riscv32.config b/tools/testing/selftests/wireguard/qemu/arch/riscv32.config
index 0bd0e72d95d49..2fc36efb166dc 100644
--- a/tools/testing/selftests/wireguard/qemu/arch/riscv32.config
+++ b/tools/testing/selftests/wireguard/qemu/arch/riscv32.config
@@ -1,3 +1,4 @@
+CONFIG_NONPORTABLE=y
 CONFIG_ARCH_RV32I=y
 CONFIG_MMU=y
 CONFIG_FPU=y