diff --git a/Lib/uuid.py b/Lib/uuid.py
index 5ae0a3e5fa..e4298253c2 100644
--- a/Lib/uuid.py
+++ b/Lib/uuid.py
@@ -55,6 +55,8 @@
 # The recognized platforms - known behaviors
 if sys.platform in ('win32', 'darwin'):
     _AIX = _LINUX = False
+elif sys.platform in ('emscripten', 'wasi'):  # XXX: RUSTPYTHON; patched to support those platforms
+    _AIX = _LINUX = False
 else:
     import platform
     _platform_system = platform.system()