diff --git a/rigs/winradio/winradio.h b/rigs/winradio/winradio.h
index 5aa885071..707eba79f 100644
--- a/rigs/winradio/winradio.h
+++ b/rigs/winradio/winradio.h
@@ -59,7 +59,7 @@ extern const struct rig_caps wr3500_caps;
 extern const struct rig_caps wr3700_caps;
 extern const struct rig_caps g303_caps;
 extern const struct rig_caps g305_caps;
-#ifdef _WIN32
+#if defined( _WIN32) || !defined(OTHER_POSIX)
 extern const struct rig_caps g313_caps;
 #endif