diff --git a/GraphBuilder/tests/GraphBuilder.Tests.cs b/GraphBuilder/tests/GraphBuilder.Tests.cs
index 1de6abf..fdcc034 100644
--- a/GraphBuilder/tests/GraphBuilder.Tests.cs
+++ b/GraphBuilder/tests/GraphBuilder.Tests.cs
@@ -57,7 +57,7 @@ public void SimpleGraphBuilderTest3()
 
 
         [TestMethod]
-        [ExpectedException(typeof(GraphBuilderException))]
+        [ExpectedException(typeof(Exceptions.GraphBuilderException))]
         public void FailGraphBuilderTest1()
         {
             // tests the top level package field is malformed