diff --git a/pkgs/by-name/ma/maa-assistant-arknights/package.nix b/pkgs/by-name/ma/maa-assistant-arknights/package.nix
index 0ba554a04cf7..de41a0e03f5a 100644
--- a/pkgs/by-name/ma/maa-assistant-arknights/package.nix
+++ b/pkgs/by-name/ma/maa-assistant-arknights/package.nix
@@ -53,11 +53,12 @@ stdenv.mkDerivation (finalAttr: {
   ]);
 
   cmakeFlags = [
-    (lib.cmakeFeature "CMAKE_BUILD_TYPE" "None")
-    (lib.cmakeBool "USE_MAADEPS" false)
     (lib.cmakeBool "BUILD_SHARED_LIBS" true)
-    (lib.cmakeBool "INSTALL_RESOURCE" true)
+    (lib.cmakeBool "INSTALL_FLATTEN" false)
     (lib.cmakeBool "INSTALL_PYTHON" true)
+    (lib.cmakeBool "INSTALL_RESOURCE" true)
+    (lib.cmakeBool "USE_MAADEPS" false)
+    (lib.cmakeFeature "CMAKE_BUILD_TYPE" "None")
     (lib.cmakeFeature "MAA_VERSION" "v${finalAttr.version}")
   ];