diff --git a/src/ElectronNET.AspNet/API/WebHostBuilderExtensions.cs b/src/ElectronNET.AspNet/API/WebHostBuilderExtensions.cs
index 553ffda..e40f232 100644
--- a/src/ElectronNET.AspNet/API/WebHostBuilderExtensions.cs
+++ b/src/ElectronNET.AspNet/API/WebHostBuilderExtensions.cs
@@ -61,8 +61,16 @@
         /// </example>
         public static IWebHostBuilder UseElectron(this IWebHostBuilder builder, string[] args, Func<Task> onAppReadyCallback)
         {
-            ElectronNetRuntime.OnAppReadyCallback = onAppReadyCallback;
+            builder.ConfigureServices(services =>
+            {
+                services.AddSingleton<IAppReadyCallbackResolver>(_ => new AppReadyCallbackResolver(onAppReadyCallback));
+            });
 
+            return UseElectronCore(builder, args);
+        }
+
+        private static IWebHostBuilder UseElectronCore(IWebHostBuilder builder, string[] args)
+        {
             // no matter how this is set - let's unset to prevent Electron not starting as expected
             // e.g., VS Code sets this env variable, but this will cause `require("electron")` to not
             // work as expected, see issue #952
diff --git a/src/ElectronNET.AspNet/Runtime/Controllers/RuntimeControllerAspNetBase.cs b/src/ElectronNET.AspNet/Runtime/Controllers/RuntimeControllerAspNetBase.cs
index b7d2f33..f214e8a 100644
--- a/src/ElectronNET.AspNet/Runtime/Controllers/RuntimeControllerAspNetBase.cs
+++ b/src/ElectronNET.AspNet/Runtime/Controllers/RuntimeControllerAspNetBase.cs
@@ -17,13 +17,15 @@
     {
         private readonly IServer server;
         private readonly AspNetLifetimeAdapter aspNetLifetimeAdapter;
+        private readonly IAppReadyCallbackResolver callbackResolver;
         private readonly IElectronAuthenticationService authenticationService;
         private SocketBridgeService socketBridge;
 
-        protected RuntimeControllerAspNetBase(IServer server, AspNetLifetimeAdapter aspNetLifetimeAdapter, IElectronAuthenticationService authenticationService = null)
+        protected RuntimeControllerAspNetBase(IServer server, AspNetLifetimeAdapter aspNetLifetimeAdapter, IAppReadyCallbackResolver callbackResolver, IElectronAuthenticationService authenticationService = null)
         {
             this.server = server;
             this.aspNetLifetimeAdapter = aspNetLifetimeAdapter;
+            this.callbackResolver = callbackResolver;
             this.authenticationService = authenticationService;
             this.aspNetLifetimeAdapter.Ready += this.AspNetLifetimeAdapter_Ready;
             this.aspNetLifetimeAdapter.Stopping += this.AspNetLifetimeAdapter_Stopping;
@@ -130,15 +132,15 @@
 
         private async Task RunReadyCallback()
         {
-            if (ElectronNetRuntime.OnAppReadyCallback == null)
+            if (!callbackResolver.HasCallback)
             {
-                Console.WriteLine("Warning: Non OnReadyCallback provided in UseElectron() setup.");
+                Console.WriteLine("Warning: No OnReadyCallback provided in UseElectron() setup.");
                 return;
             }
 
             try
             {
-                await ElectronNetRuntime.OnAppReadyCallback().ConfigureAwait(false);
+                await callbackResolver.Invoke().ConfigureAwait(false);
             }
             catch (Exception ex)
             {
diff --git a/src/ElectronNET.AspNet/Runtime/Controllers/RuntimeControllerAspNetDotnetFirst.cs b/src/ElectronNET.AspNet/Runtime/Controllers/RuntimeControllerAspNetDotnetFirst.cs
index 7a94732..615e7d3 100644
--- a/src/ElectronNET.AspNet/Runtime/Controllers/RuntimeControllerAspNetDotnetFirst.cs
+++ b/src/ElectronNET.AspNet/Runtime/Controllers/RuntimeControllerAspNetDotnetFirst.cs
@@ -14,7 +14,7 @@
     {
         private ElectronProcessBase electronProcess;
 
-        public RuntimeControllerAspNetDotnetFirst(IServer server, AspNetLifetimeAdapter aspNetLifetimeAdapter, IElectronAuthenticationService authenticationService = null) : base(server, aspNetLifetimeAdapter, authenticationService)
+        public RuntimeControllerAspNetDotnetFirst(IServer server, AspNetLifetimeAdapter aspNetLifetimeAdapter, IAppReadyCallbackResolver callbackResolver, IElectronAuthenticationService authenticationService = null) : base(server, aspNetLifetimeAdapter, callbackResolver, authenticationService)
         {
         }
 
diff --git a/src/ElectronNET.AspNet/Runtime/Controllers/RuntimeControllerAspNetElectronFirst.cs b/src/ElectronNET.AspNet/Runtime/Controllers/RuntimeControllerAspNetElectronFirst.cs
index 757507d..a377fcc 100644
--- a/src/ElectronNET.AspNet/Runtime/Controllers/RuntimeControllerAspNetElectronFirst.cs
+++ b/src/ElectronNET.AspNet/Runtime/Controllers/RuntimeControllerAspNetElectronFirst.cs
@@ -11,7 +11,7 @@
     {
         private ElectronProcessBase electronProcess;
 
-        public RuntimeControllerAspNetElectronFirst(IServer server, AspNetLifetimeAdapter aspNetLifetimeAdapter, IElectronAuthenticationService authenticationService = null) : base(server, aspNetLifetimeAdapter, authenticationService)
+        public RuntimeControllerAspNetElectronFirst(IServer server, AspNetLifetimeAdapter aspNetLifetimeAdapter, IAppReadyCallbackResolver callbackResolver, IElectronAuthenticationService authenticationService = null) : base(server, aspNetLifetimeAdapter, callbackResolver, authenticationService)
         {
         }