diff --git a/Octokit.Reactive/Octokit.Reactive-Mono.csproj b/Octokit.Reactive/Octokit.Reactive-Mono.csproj
index 64b0b33d..1d1009a6 100644
--- a/Octokit.Reactive/Octokit.Reactive-Mono.csproj
+++ b/Octokit.Reactive/Octokit.Reactive-Mono.csproj
@@ -64,7 +64,7 @@
     <Compile Include="Clients\ObservableRepositoriesClient.cs" />
     <Compile Include="Clients\ObservableSshKeysClient.cs" />
     <Compile Include="Clients\ObservableUsersClient.cs" />
-    <Compile Include="Clients\IAssigneesClient.cs" />
+    <Compile Include="Clients\IObservableAssigneesClient.cs" />
     <Compile Include="Clients\IObservableNotificationsClient.cs" />
     <Compile Include="Helpers\AuthorizationExtensions.cs" />
     <Compile Include="Helpers\ConnectionExtensions.cs" />
diff --git a/Octokit.Reactive/Octokit.Reactive-MonoAndroid.csproj b/Octokit.Reactive/Octokit.Reactive-MonoAndroid.csproj
index 6a27708b..fde9912e 100644
--- a/Octokit.Reactive/Octokit.Reactive-MonoAndroid.csproj
+++ b/Octokit.Reactive/Octokit.Reactive-MonoAndroid.csproj
@@ -73,7 +73,7 @@
     <Compile Include="Clients\ObservableRepositoriesClient.cs" />
     <Compile Include="Clients\ObservableSshKeysClient.cs" />
     <Compile Include="Clients\ObservableUsersClient.cs" />
-    <Compile Include="Clients\IAssigneesClient.cs" />
+    <Compile Include="Clients\IObservableAssigneesClient.cs" />
     <Compile Include="Clients\IObservableNotificationsClient.cs" />
     <Compile Include="Helpers\AuthorizationExtensions.cs" />
     <Compile Include="Helpers\ConnectionExtensions.cs" />
diff --git a/Octokit.Reactive/Octokit.Reactive-Monotouch.csproj b/Octokit.Reactive/Octokit.Reactive-Monotouch.csproj
index cb3da0ca..04c082b6 100644
--- a/Octokit.Reactive/Octokit.Reactive-Monotouch.csproj
+++ b/Octokit.Reactive/Octokit.Reactive-Monotouch.csproj
@@ -68,7 +68,7 @@
     <Compile Include="Clients\ObservableRepositoriesClient.cs" />
     <Compile Include="Clients\ObservableSshKeysClient.cs" />
     <Compile Include="Clients\ObservableUsersClient.cs" />
-    <Compile Include="Clients\IAssigneesClient.cs" />
+    <Compile Include="Clients\IObservableAssigneesClient.cs" />
     <Compile Include="Clients\IObservableNotificationsClient.cs" />
     <Compile Include="Helpers\AuthorizationExtensions.cs" />
     <Compile Include="Helpers\ConnectionExtensions.cs" />