diff --git a/pkgs/os-specific/windows/mingw-w64/default.nix b/pkgs/os-specific/windows/mingw-w64/default.nix
index 1d23bab70692..2d335af051cf 100644
--- a/pkgs/os-specific/windows/mingw-w64/default.nix
+++ b/pkgs/os-specific/windows/mingw-w64/default.nix
@@ -22,9 +22,9 @@ stdenv.mkDerivation {
   ];
 
   configureFlags = [
-    "--enable-idl"
-    "--enable-secure-api"
-    "--with-default-msvcrt=${crt}"
+    (lib.enableFeature true "idl")
+    (lib.enableFeature true "secure-api")
+    (lib.withFeatureAs true "default-msvcrt" crt)
   ];
 
   enableParallelBuilding = true;
diff --git a/pkgs/os-specific/windows/mingw-w64/pthreads.nix b/pkgs/os-specific/windows/mingw-w64/pthreads.nix
index 3c5fab4fa708..690bd7ecf662 100644
--- a/pkgs/os-specific/windows/mingw-w64/pthreads.nix
+++ b/pkgs/os-specific/windows/mingw-w64/pthreads.nix
@@ -1,14 +1,17 @@
-{ stdenv, mingw_w64_headers }:
+{
+  lib,
+  stdenv,
+  mingw_w64_headers,
+  # Rustc require 'libpthread.a' when targeting 'x86_64-pc-windows-gnu'.
+  # Enabling this makes it work out of the box instead of failing.
+  withStatic ? true,
+}:
 
 stdenv.mkDerivation {
   pname = "mingw_w64-pthreads";
   inherit (mingw_w64_headers) version src meta;
 
-  configureFlags = [
-    # Rustc require 'libpthread.a' when targeting 'x86_64-pc-windows-gnu'.
-    # Enabling this makes it work out of the box instead of failing.
-    "--enable-static"
-  ];
+  configureFlags = [ (lib.enableFeature withStatic "static") ];
 
   preConfigure = ''
     cd mingw-w64-libraries/winpthreads