diff --git a/src/logic/future_moves.rs b/src/logic/future_moves.rs
index 3f9f85c..b5b6bec 100644
--- a/src/logic/future_moves.rs
+++ b/src/logic/future_moves.rs
@@ -545,7 +545,8 @@ impl FutureMoves {
             .map(|mut node| {
                 node.parent = node
                     .parent
-                    .and_then(|parent| index_map.get(parent).and_then(|&x| x));
+                    .and_then(|parent| index_map.get(parent))
+                    .and_then(|&x| x);
 
                 for c in node.children.as_mut_slice() {
                     *c = index_map