diff --git a/Octokit.Tests.Integration/Octokit.Tests.Integration.csproj b/Octokit.Tests.Integration/Octokit.Tests.Integration.csproj
index b0e73e2d..9444837a 100644
--- a/Octokit.Tests.Integration/Octokit.Tests.Integration.csproj
+++ b/Octokit.Tests.Integration/Octokit.Tests.Integration.csproj
@@ -63,6 +63,7 @@
     <Compile Include="IntegrationTestAttribute.cs" />
     <Compile Include="IssuesClientTests.cs" />
     <Compile Include="MiscellaneousClientTests.cs" />
+    <Compile Include="Reactive\ObservableIssuesClientTests.cs" />
     <Compile Include="Reactive\ObservableMilestonesClientTests.cs" />
     <Compile Include="Reactive\ObservableRepositoriesClientTests.cs" />
     <Compile Include="ReleasesClientTests.cs" />
diff --git a/Octokit.Tests/Octokit.Tests.csproj b/Octokit.Tests/Octokit.Tests.csproj
index 70d3ebe4..7434fab8 100644
--- a/Octokit.Tests/Octokit.Tests.csproj
+++ b/Octokit.Tests/Octokit.Tests.csproj
@@ -106,6 +106,7 @@
     <Compile Include="Helpers\StringExtensionsTests.cs" />
     <Compile Include="Clients\RepositoriesClientTests.cs" />
     <Compile Include="Reactive\AuthorizationExtensionsTests.cs" />
+    <Compile Include="Reactive\ObservableIssuesClientTests.cs" />
     <Compile Include="Reactive\ObservableMilestonesClientTests.cs" />
     <Compile Include="Reactive\ObservableRepositoriesClientTests.cs" />
     <Compile Include="SimpleJsonSerializerTests.cs" />