diff --git a/src/Merchello.Web/Search/ProductCollectionTreeQuery.cs b/src/Merchello.Web/Search/ProductCollectionTreeQuery.cs
index b762781ee5..2ccc2d853e 100644
--- a/src/Merchello.Web/Search/ProductCollectionTreeQuery.cs
+++ b/src/Merchello.Web/Search/ProductCollectionTreeQuery.cs
@@ -38,7 +38,7 @@ public ProductCollectionTreeQuery(IMerchelloContext merchelloContext)
         /// <inheritdoc/>
         public TreeNode<IProductCollection> GetTreeByValue(IProductCollection value)
         {
-            var cacheKey = GetCacheKey("GetTreeByValue");
+            var cacheKey = GetCacheKey("GetTreeByValue", value.Key);
             var tree = (TreeNode<IProductCollection>)Cache.GetCacheItem(cacheKey);
 
             if (tree != null) return tree;
@@ -76,4 +76,4 @@ public IEnumerable<TreeNode<IProductCollection>> GetRootTrees()
                         Cache.GetCacheItem(cacheKey, () => factory.BuildTrees(GetAll()));
         }
     }
-}
\ No newline at end of file
+}