1 files changed, 2 insertions, 1 deletions
diff --git a/src/System.Web.Http.OData/OData/Builder/Conventions/EntityKeyConvention.cs b/src/System.Web.Http.OData/OData/Builder/Conventions/EntityKeyConvention.cs
index 2152f823..63ccf00e 100644
--- a/src/System.Web.Http.OData/OData/Builder/Conventions/EntityKeyConvention.cs
+++ b/src/System.Web.Http.OData/OData/Builder/Conventions/EntityKeyConvention.cs
@@ -1,5 +1,6 @@
 // Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
 
+using System.Linq;
 using System.Reflection;
 
 namespace System.Web.Http.OData.Builder.Conventions
@@ -14,7 +15,7 @@ namespace System.Web.Http.OData.Builder.Conventions
             }
 
             PropertyInfo key = ConventionsHelpers.GetKeyProperty(entity.ClrType);
-            if (key != null)
+            if (key != null && !entity.IgnoredProperties.Contains(key))
             {
                 entity.HasKey(key);
             }