diff --git a/compact_sets.py b/compact_sets.py
index e1df171..e82c30f 100644
--- a/compact_sets.py
+++ b/compact_sets.py
@@ -830,10 +830,14 @@ class PathFinder:
                 if edge_data.get("is_directly_tunable", False):
                     w *= 10
 
-            # Voice crossing weight (prefer no crossing)
+            # Voice crossing check - reject edges where voices cross
             if config.get("voice_crossing", False):
-                # Simplified: prefer edges where more pitches stay in order
-                w *= 10
+                # Check if movement map is identity (0->0, 1->1, 2->2, etc.)
+                # If any voice moves to a different position, that's a crossing
+                num_voices = len(edge[0].pitches)
+                is_identity = all(movements.get(i) == i for i in range(num_voices))
+                if not is_identity:
+                    w = 0.0  # Reject edges with voice crossing
 
             weights.append(w)