diff --git a/packaging/nix/umu-run.nix b/packaging/nix/umu-run.nix
index 3fb0fdd8e..3858432fe 100644
--- a/packaging/nix/umu-run.nix
+++ b/packaging/nix/umu-run.nix
@@ -5,6 +5,7 @@ buildFHSEnv{
   targetPkgs = pkgs: ([
     package
   ]);
+  multiArch = true;
   runScript = writeShellScript "umu-run-shell" ''
     ${package}/bin/umu "$@"
   '';