diff --git a/Emby.Common.Implementations/BaseApplicationHost.cs b/Emby.Common.Implementations/BaseApplicationHost.cs
index 847eeca644..7e0fd23b53 100644
--- a/Emby.Common.Implementations/BaseApplicationHost.cs
+++ b/Emby.Common.Implementations/BaseApplicationHost.cs
@@ -561,7 +561,7 @@ namespace Emby.Common.Implementations
         {
             if (assembly == null)
             {
-                throw new ArgumentNullException("assembly");
+                return new List<Type>();
             }
 
             try
diff --git a/Emby.Server.Implementations/Emby.Server.Implementations.csproj b/Emby.Server.Implementations/Emby.Server.Implementations.csproj
index 0e6b9b8f11..1b0cbb936a 100644
--- a/Emby.Server.Implementations/Emby.Server.Implementations.csproj
+++ b/Emby.Server.Implementations/Emby.Server.Implementations.csproj
@@ -418,6 +418,9 @@
   <ItemGroup>
     <EmbeddedResource Include="Localization\Ratings\uk.txt" />
   </ItemGroup>
+  <ItemGroup>
+    <EmbeddedResource Include="Localization\Ratings\es.txt" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.