diff --git a/pkgs/applications/virtualization/bochs/default.nix b/pkgs/applications/virtualization/bochs/default.nix
index 5f3b31870dc1..41ab5ef2c990 100644
--- a/pkgs/applications/virtualization/bochs/default.nix
+++ b/pkgs/applications/virtualization/bochs/default.nix
@@ -100,6 +100,7 @@ stdenv.mkDerivation rec {
     "--enable-sb16"
     "--enable-show-ips"
     "--enable-smp"
+    "--enable-vmx=2"
     "--enable-svm"
     "--enable-trace-linking"
     "--enable-usb"