diff --git a/net.c b/net.c
index cff0c9c..9ac2270 100644
--- a/net.c
+++ b/net.c
@@ -2464,6 +2464,7 @@ static game_drawstate *game_new_drawstate(drawing *dr, const game_state *state)
 static void game_free_drawstate(drawing *dr, game_drawstate *ds)
 {
     sfree(ds->visible);
+    sfree(ds->to_draw);
     sfree(ds);
 }