diff --git a/position/src/perft.rs b/position/src/perft.rs
index a9ae169..97b3c51 100644
--- a/position/src/perft.rs
+++ b/position/src/perft.rs
@@ -18,14 +18,18 @@ impl Position {
 
         let legal_moves: Vec<GeneratedMove> = self.all_legal_moves(None).collect();
 
-        for ply in legal_moves {
-            let ply = ply.ply();
+        for generated_ply in legal_moves {
+            let ply = generated_ply.ply();
 
-            let _has_seen_position = self
+            let has_seen_position = self
                 .make_move(ply, ValidateMove::No)
                 .expect("unable to make generated move");
 
-            let nodes_counted = self.perft_recursive(depth - 1, depth);
+            let nodes_counted = if has_seen_position {
+                1
+            } else {
+                self.perft_recursive(depth - 1, max_depth)
+            };
 
             total_nodes_counted += nodes_counted;