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-rw-r--r--nixos/lib/qemu-flags.nix4
1 files changed, 2 insertions, 2 deletions
diff --git a/nixos/lib/qemu-flags.nix b/nixos/lib/qemu-flags.nix
index 774f66b4804e..859d9e975fec 100644
--- a/nixos/lib/qemu-flags.nix
+++ b/nixos/lib/qemu-flags.nix
@@ -17,9 +17,9 @@ in
         else throw "Unknown QEMU serial device for system '${pkgs.stdenv.hostPlatform.system}'";
 
   qemuBinary = qemuPkg: {
-    x86_64-linux = "${qemuPkg}/bin/qemu-kvm -cpu kvm64";
+    x86_64-linux = "${qemuPkg}/bin/qemu-kvm -cpu host";
     armv7l-linux = "${qemuPkg}/bin/qemu-system-arm -enable-kvm -machine virt -cpu host";
     aarch64-linux = "${qemuPkg}/bin/qemu-system-aarch64 -enable-kvm -machine virt,gic-version=host -cpu host";
-    x86_64-darwin = "${qemuPkg}/bin/qemu-kvm -cpu kvm64";
+    x86_64-darwin = "${qemuPkg}/bin/qemu-kvm -cpu host";
   }.${pkgs.stdenv.hostPlatform.system} or "${qemuPkg}/bin/qemu-kvm";
 }