diff --git a/NavMeshComponents/Scripts/NavMeshBuilder2d.cs b/NavMeshComponents/Scripts/NavMeshBuilder2d.cs
index b8f1eaa..4d7c7e7 100644
--- a/NavMeshComponents/Scripts/NavMeshBuilder2d.cs
+++ b/NavMeshComponents/Scripts/NavMeshBuilder2d.cs
@@ -256,7 +256,7 @@ public static void CollectSources(List<NavMeshBuildSource> sources, Collider2D c
         { 
             if (collider.usedByComposite)
             {
-                collider = collider.GetComponent<CompositeCollider2D>();
+                collider = collider.composite;
             }
 
             Mesh mesh;