diff --git a/src/Squire/Framework/StringKihonStructure.cs b/src/Squire/Framework/StringKihonStructure.cs
index 36af722..52a04e5 100644
--- a/src/Squire/Framework/StringKihonStructure.cs
+++ b/src/Squire/Framework/StringKihonStructure.cs
@@ -46,7 +46,7 @@ public void Split_A_String_Into_An_Array()
             string[] actual = Split_A_String_Into_An_Array(input, divider);
 
             // Assert
-            Assert.AreEqual(input.Split(divider), actual);
+            CollectionAssert.AreEqual(input.Split(divider), actual);
         }
 
         [TestMethod]