diff --git a/Octokit.Tests.Integration/Clients/RepositoryCommitsClientTests.cs b/Octokit.Tests.Integration/Clients/RepositoryCommitsClientTests.cs
index c5a3e3c4d1..c0bf59bcfa 100644
--- a/Octokit.Tests.Integration/Clients/RepositoryCommitsClientTests.cs
+++ b/Octokit.Tests.Integration/Clients/RepositoryCommitsClientTests.cs
@@ -20,6 +20,13 @@ public TestsWithExistingRepositories()
             _fixture = client.Repository.Commit;
         }
 
+        [IntegrationTest]
+        public async Task CanGetMergeBaseCommit()
+        {
+            var compareResult = await _fixture.Compare("octokit", "octokit.net", "65a22f4d2cff94a286ac3e96440c810c5509196f", "65a22f4d2cff94a286ac3e96440c810c5509196f");
+            Assert.NotNull(compareResult.MergeBaseCommit);
+        }
+
         [IntegrationTest]
         public async Task CanGetCommit()
         {
diff --git a/Octokit/Models/Response/CompareResult.cs b/Octokit/Models/Response/CompareResult.cs
index 38588f38b0..bd47b7ce42 100644
--- a/Octokit/Models/Response/CompareResult.cs
+++ b/Octokit/Models/Response/CompareResult.cs
@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using System.Globalization;
 
@@ -9,7 +10,7 @@ public class CompareResult
     {
         public CompareResult() { }
 
-        public CompareResult(string url, string htmlUrl, string permalinkUrl, string diffUrl, string patchUrl, GitHubCommit baseCommit, GitHubCommit mergedBaseCommit, string status, int aheadBy, int behindBy, int totalCommits, IReadOnlyList<GitHubCommit> commits, IReadOnlyList<GitHubCommitFile> files)
+        public CompareResult(string url, string htmlUrl, string permalinkUrl, string diffUrl, string patchUrl, GitHubCommit baseCommit, GitHubCommit mergeBaseCommit, string status, int aheadBy, int behindBy, int totalCommits, IReadOnlyList<GitHubCommit> commits, IReadOnlyList<GitHubCommitFile> files)
         {
             Url = url;
             HtmlUrl = htmlUrl;
@@ -17,7 +18,7 @@ public CompareResult(string url, string htmlUrl, string permalinkUrl, string dif
             DiffUrl = diffUrl;
             PatchUrl = patchUrl;
             BaseCommit = baseCommit;
-            MergedBaseCommit = mergedBaseCommit;
+            MergeBaseCommit = mergeBaseCommit;
             Status = status;
             AheadBy = aheadBy;
             BehindBy = behindBy;
@@ -32,7 +33,9 @@ public CompareResult(string url, string htmlUrl, string permalinkUrl, string dif
         public string DiffUrl { get; protected set; }
         public string PatchUrl { get; protected set; }
         public GitHubCommit BaseCommit { get; protected set; }
+        [Obsolete("This property is obsolete. Use MergeBaseCommit instead.", false)]
         public GitHubCommit MergedBaseCommit { get; protected set; }
+        public GitHubCommit MergeBaseCommit { get; protected set; }
         public string Status { get; protected set; }
         public int AheadBy { get; protected set; }
         public int BehindBy { get; protected set; }