diff --git a/pkgs/os-specific/linux/xmm7360-pci/default.nix b/pkgs/os-specific/linux/xmm7360-pci/default.nix
index 6a589ff889c..435ff94afb7 100644
--- a/pkgs/os-specific/linux/xmm7360-pci/default.nix
+++ b/pkgs/os-specific/linux/xmm7360-pci/default.nix
@@ -11,10 +11,12 @@ stdenv.mkDerivation rec {
     sha256 = "1wdb0phqg9rj9g9ycqdya0m7lx24kzjlh25yw0ifp898ddxrrr0c";
   };
 
-  makeFlags = [ "KDIR=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build" ];
+  makeFlags = kernel.makeFlags ++ [
+    "KDIR=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"
+    "INSTALL_MOD_PATH=${placeholder "out"}"
+  ];
 
   nativeBuildInputs = kernel.moduleBuildDependencies;
-  INSTALL_MOD_PATH = placeholder "out";
   installFlags = [ "DEPMOD=true" ];
 
   meta = with lib; {