diff --git a/tools/hatch_build.py b/tools/hatch_build.py
index 0925d67d..5c45a210 100644
--- a/tools/hatch_build.py
+++ b/tools/hatch_build.py
@@ -42,8 +42,11 @@ def initialize(self, version, build_data):
         # We only do our thing when this is a wheel build from the repo.
         # If this is an sdist build, or a wheel build from an sdist,
         # we go pure-Python mode, and expect the user to set WGPU_LIB_PATH.
+        # We also allow building an arch-agnostic wheel explicitly, using an env var.
 
-        if self.target_name == "wheel" and is_git_repo():
+        if os.getenv("WGPU_PY_BUILD_NOARCH") in ("1", "true"):
+            pass  # Explicitly disable including the lib
+        elif self.target_name == "wheel" and is_git_repo():
             # Prepare
             check_git_status()
             remove_all_libs()