diff --git a/authorization/authz_test.go b/authorization/authz_unix_test.go
similarity index 97%
rename from authorization/authz_test.go
rename to authorization/authz_unix_test.go
index 3a6a991..a2487ef 100644
--- a/authorization/authz_test.go
+++ b/authorization/authz_unix_test.go
@@ -1,3 +1,8 @@
+// +build !windows
+
+// TODO Windows: This uses a Unix socket for testing. This might be possible
+// to port to Windows using a named pipe instead.
+
 package authorization
 
 import (