diff --git a/lib/systems/default.nix b/lib/systems/default.nix
index 1a89120e2bf6..1bbe976c4d21 100644
--- a/lib/systems/default.nix
+++ b/lib/systems/default.nix
@@ -92,6 +92,8 @@ rec {
         else if final.isx86_32 then "i386"
         else if final.isx86_64 then "x86_64"
         else if final.isMips then "mips"
+        else if final.isPower then "powerpc"
+        else if final.isRiscV then "riscv"
         else final.parsed.cpu.name;
 
       qemuArch =