diff --git a/src/Microsoft.AspNet.Identity.EntityFramework/UserStore.cs b/src/Microsoft.AspNet.Identity.EntityFramework/UserStore.cs
index f224eb7df8..a4ff3efd45 100644
--- a/src/Microsoft.AspNet.Identity.EntityFramework/UserStore.cs
+++ b/src/Microsoft.AspNet.Identity.EntityFramework/UserStore.cs
@@ -126,7 +126,7 @@ namespace Microsoft.AspNet.Identity.EntityFramework
             return Task.FromResult(user.NormalizedUserName);
         }
 
-        public Task SetNormalizedUserNameAsync(TUser user, string userName, CancellationToken cancellationToken = default(CancellationToken))
+        public Task SetNormalizedUserNameAsync(TUser user, string normalizedName, CancellationToken cancellationToken = default(CancellationToken))
         {
             cancellationToken.ThrowIfCancellationRequested();
             ThrowIfDisposed();
@@ -134,7 +134,7 @@ namespace Microsoft.AspNet.Identity.EntityFramework
             {
                 throw new ArgumentNullException("user");
             }
-            user.NormalizedUserName = userName;
+            user.NormalizedUserName = normalizedName;
             return Task.FromResult(0);
         }
 
diff --git a/src/Microsoft.AspNet.Identity/IUserStore.cs b/src/Microsoft.AspNet.Identity/IUserStore.cs
index bf27aec52f..93a8fcae36 100644
--- a/src/Microsoft.AspNet.Identity/IUserStore.cs
+++ b/src/Microsoft.AspNet.Identity/IUserStore.cs
@@ -51,10 +51,10 @@ namespace Microsoft.AspNet.Identity
         ///     Set the normalized user name
         /// </summary>
         /// <param name="user"></param>
-        /// <param name="userName"></param>
+        /// <param name="normalizedName"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
-        Task SetNormalizedUserNameAsync(TUser user, string userName,
+        Task SetNormalizedUserNameAsync(TUser user, string normalizedName,
             CancellationToken cancellationToken = default(CancellationToken));
 
         /// <summary>