diff --git a/fido2/hid/__init__.py b/fido2/hid/__init__.py
index 43ad2b5..9ae6e5a 100644
--- a/fido2/hid/__init__.py
+++ b/fido2/hid/__init__.py
@@ -48,11 +48,11 @@
     from . import windows as backend
 elif sys.platform == "darwin":
     from . import macos as backend
-elif sys.platform == "freebsd":
+elif sys.platform.startswith("freebsd"):
     from . import freebsd as backend
-elif sys.platform == "netbsd":
+elif sys.platform.startswith("netbsd"):
     from . import netbsd as backend
-elif sys.platform == "openbsd":
+elif sys.platform.startswith("openbsd"):
     from . import openbsd as backend
 else:
     raise Exception("Unsupported platform")