diff --git a/SpotifyAPI.Web/Clients/SimplePaginator.cs b/SpotifyAPI.Web/Clients/SimplePaginator.cs
index 1a280339..425434c4 100644
--- a/SpotifyAPI.Web/Clients/SimplePaginator.cs
+++ b/SpotifyAPI.Web/Clients/SimplePaginator.cs
@@ -14,6 +14,9 @@ namespace SpotifyAPI.Web
 
     public async Task<List<T>> Paginate<T>(Paging<T> firstPage, IAPIConnector connector)
     {
+      Ensure.ArgumentNotNull(firstPage, nameof(firstPage));
+      Ensure.ArgumentNotNull(connector, nameof(connector));
+
       var page = firstPage;
       var results = new List<T>();
       results.AddRange(firstPage.Items);
@@ -28,6 +31,8 @@ namespace SpotifyAPI.Web
 
     public async Task<List<T>> Paginate<T>(Func<Task<Paging<T>>> getFirstPage, IAPIConnector connector)
     {
+      Ensure.ArgumentNotNull(getFirstPage, nameof(getFirstPage));
+
       var firstPage = await getFirstPage().ConfigureAwait(false);
       return await Paginate(firstPage, connector).ConfigureAwait(false);
     }
diff --git a/SpotifyAPI.Web/Models/Request/FollowRequest.cs b/SpotifyAPI.Web/Models/Request/FollowRequest.cs
index 600563c6..50840a58 100644
--- a/SpotifyAPI.Web/Models/Request/FollowRequest.cs
+++ b/SpotifyAPI.Web/Models/Request/FollowRequest.cs
@@ -5,18 +5,18 @@ namespace SpotifyAPI.Web
   public class FollowRequest : RequestParams
   {
     [QueryParam("type")]
-    public Types? Type { get; set; }
+    public Type? TypeParam { get; set; }
 
     [BodyParam("ids")]
     public List<string> Ids { get; set; }
 
     protected override void CustomEnsure()
     {
-      Ensure.ArgumentNotNull(Type, nameof(Type));
+      Ensure.ArgumentNotNull(TypeParam, nameof(TypeParam));
       Ensure.ArgumentNotNullOrEmptyList(Ids, nameof(Ids));
     }
 
-    public enum Types
+    public enum Type
     {
       [String("artist")]
       Artist,
diff --git a/SpotifyAPI.Web/SpotifyAPI.Web.csproj b/SpotifyAPI.Web/SpotifyAPI.Web.csproj
index 9fea25d3..335baad2 100644
--- a/SpotifyAPI.Web/SpotifyAPI.Web.csproj
+++ b/SpotifyAPI.Web/SpotifyAPI.Web.csproj
@@ -32,5 +32,9 @@
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3">
       <PrivateAssets>None</PrivateAssets>
     </PackageReference>
+    <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="3.0.0">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
+    </PackageReference>
   </ItemGroup>
 </Project>