diff --git a/sys/powerpc/include/openpicvar.h b/sys/powerpc/include/openpicvar.h
index 3d2ff27a9854..6f7cff666101 100644
--- a/sys/powerpc/include/openpicvar.h
+++ b/sys/powerpc/include/openpicvar.h
@@ -33,6 +33,7 @@ struct openpic_softc {
 	char		*sc_version;
 	u_int		sc_ncpu;
 	u_int		sc_nirq;
+	int             sc_psim;
 	struct		rman sc_rman;
 };