diff --git a/pkgs/by-name/vc/vcmi/package.nix b/pkgs/by-name/vc/vcmi/package.nix
index 2b3c90d73850..a805655ac767 100644
--- a/pkgs/by-name/vc/vcmi/package.nix
+++ b/pkgs/by-name/vc/vcmi/package.nix
@@ -24,6 +24,7 @@
   versionCheckHook,
   xz,
   zlib,
+  enableMMAI ? true,
 }:
 stdenv.mkDerivation (finalAttrs: {
   pname = "vcmi";
@@ -62,7 +63,8 @@ stdenv.mkDerivation (finalAttrs: {
     qt6.qttools
     xz
     zlib
-  ];
+  ]
+  ++ lib.optional enableMMAI onnxruntime;
 
   cmakeFlags = [
     (lib.cmakeBool "ENABLE_CLIENT" true)
@@ -72,6 +74,7 @@ stdenv.mkDerivation (finalAttrs: {
     (lib.cmakeBool "ENABLE_TEST" false) # Requires nonfree data files.
     (lib.cmakeBool "ENABLE_PCH" false)
     (lib.cmakeBool "ENABLE_DISCORD" false)
+    (lib.cmakeBool "ENABLE_MMAI" enableMMAI)
     (lib.cmakeFeature "CMAKE_INSTALL_RPATH" "$out/lib/vcmi")
     (lib.cmakeFeature "CMAKE_INSTALL_BINDIR" "bin")
     (lib.cmakeFeature "CMAKE_INSTALL_LIBDIR" "lib")