diff --git a/void.h b/void.h
index 711859fa24..22043399ac 100644
--- a/void.h
+++ b/void.h
@@ -3,4 +3,11 @@
 static inline void MakeVoid(TileIndex t)
 {
 	SetTileType(t, MP_VOID);
+	SetTileHeight(t, 0);
+	_m[t].m1 = 0;
+	_m[t].m2 = 0;
+	_m[t].m3 = 0;
+	_m[t].m4 = 0;
+	_m[t].m5 = 0;
+	_m[t].extra = 0;
 }