diff --git a/compiler.h b/compiler.h
index 55d7d74..d552757 100644
--- a/compiler.h
+++ b/compiler.h
@@ -50,11 +50,12 @@
 #   define __printf__ __gnu_printf__
 #  endif
 # endif
-# if defined(__APPLE__)
+# if defined(__APPLE__) || defined(_WIN32)
 #  define QEMU_WEAK_ALIAS(newname, oldname) \
-        static typeof(oldname) weak_##newname __attribute__((unused, weakref(#oldname)))
+        static typeof(oldname) weak_##newname __attribute__((unused, weakref(#newname)))
 #  define QEMU_WEAK_REF(newname, oldname) (weak_##newname ? weak_##newname : oldname)
 # else
+#error
 #  define QEMU_WEAK_ALIAS(newname, oldname) \
         typeof(oldname) newname __attribute__((weak, alias (#oldname)))
 #  define QEMU_WEAK_REF(newname, oldname) newname