diff --git a/source/Trek-12/Models/Rules/Rules.cs b/source/Trek-12/Models/Rules/Rules.cs
index e1ade34..91a595d 100644
--- a/source/Trek-12/Models/Rules/Rules.cs
+++ b/source/Trek-12/Models/Rules/Rules.cs
@@ -46,11 +46,13 @@ namespace Models.Rules
 
         public bool IsInRopePaths (Cell adjacente,List<List<Cell>> ropePaths, int index)
         {
-            foreach (var path in ropePaths.Where(path => path.Contains(adjacente)))
+            foreach (List<Cell> path in ropePaths)
             {
+                if (!path.Contains(adjacente)) continue;
                 index=ropePaths.IndexOf(path);
+                return true;
             }
-            return index != -1;
+            return false;
         }
 
         public bool AsValue (Cell choosenCell, List<List<Cell>> ropePaths,int index)