diff --git a/.github/workflows/wheels.yml b/.github/workflows/wheels.yml
index 9a4c46a..aebed9a 100644
--- a/.github/workflows/wheels.yml
+++ b/.github/workflows/wheels.yml
@@ -33,10 +33,7 @@ jobs:
           - os: windows-2019
             arch: AMD64
           - os: windows-2019
-            arch: x86
-          # Does not build currently
-          # - os: windows-2019
-          #   arch: ARM64
+            arch: x86 
 
     steps:
       - uses: actions/checkout@v3
diff --git a/buildutils/build.py b/buildutils/build.py
index 0873914..e79bdf0 100644
--- a/buildutils/build.py
+++ b/buildutils/build.py
@@ -28,7 +28,7 @@ def build_libcapnp(bundle_dir, build_dir):  # noqa: C901
 
     # Enable ninja for compilation if available
     build_type = []
-    if shutil.which("ninja"):
+    if shutil.which("ninja") and os.name != "nt":
         build_type = ["-G", "Ninja"]
 
     # Determine python shell architecture for Windows