diff --git a/nixos/lib/qemu-common.nix b/nixos/lib/qemu-common.nix
index b946f62d93dc..f1e19c5b3b72 100644
--- a/nixos/lib/qemu-common.nix
+++ b/nixos/lib/qemu-common.nix
@@ -35,6 +35,8 @@ rec {
         aarch64-linux = "${qemuPkg}/bin/qemu-system-aarch64 -machine virt,gic-version=max,accel=kvm:tcg -cpu max";
         powerpc64le-linux = "${qemuPkg}/bin/qemu-system-ppc64 -machine powernv";
         powerpc64-linux = "${qemuPkg}/bin/qemu-system-ppc64 -machine powernv";
+        riscv32-linux = "${qemuPkg}/bin/qemu-system-riscv32 -machine virt";
+        riscv64-linux = "${qemuPkg}/bin/qemu-system-riscv64 -machine virt";
         x86_64-darwin = "${qemuPkg}/bin/qemu-kvm -cpu max";
       };
       otherHostGuestMatrix = {