diff --git a/src/Components/Web.JS/src/Boot.Server.ts b/src/Components/Web.JS/src/Boot.Server.ts
index 824c12546963..786b92694563 100644
--- a/src/Components/Web.JS/src/Boot.Server.ts
+++ b/src/Components/Web.JS/src/Boot.Server.ts
@@ -18,7 +18,8 @@ function boot(userOptions?: Partial<CircuitStartOptions>): Promise<void> {
   }
   started = true;
 
-  const configuredOptions = resolveOptions(userOptions);
+  const normalizedOptions = userOptions?.circuit ?? userOptions;
+  const configuredOptions = resolveOptions(normalizedOptions);
   setCircuitOptions(Promise.resolve(configuredOptions || {}));
 
   JSEventRegistry.create(Blazor);
diff --git a/src/Components/Web.JS/src/Boot.WebAssembly.ts b/src/Components/Web.JS/src/Boot.WebAssembly.ts
index ca1523f60f1c..3b54502272af 100644
--- a/src/Components/Web.JS/src/Boot.WebAssembly.ts
+++ b/src/Components/Web.JS/src/Boot.WebAssembly.ts
@@ -20,7 +20,8 @@ async function boot(options?: Partial<WebAssemblyStartOptions>): Promise<void> {
   }
   started = true;
 
-  setWebAssemblyOptions(Promise.resolve(options || {}));
+  const normalizedOptions = options?.webAssembly ?? options;
+  setWebAssemblyOptions(Promise.resolve(normalizedOptions || {}));
 
   JSEventRegistry.create(Blazor);
   const webAssemblyComponents = discoverComponents(document, 'webassembly') as WebAssemblyComponentDescriptor[];
diff --git a/src/Components/Web.JS/src/Platform/Circuits/CircuitStartOptions.ts b/src/Components/Web.JS/src/Platform/Circuits/CircuitStartOptions.ts
index ac94b7a2d781..a431d5d3a050 100644
--- a/src/Components/Web.JS/src/Platform/Circuits/CircuitStartOptions.ts
+++ b/src/Components/Web.JS/src/Platform/Circuits/CircuitStartOptions.ts
@@ -20,6 +20,8 @@ export interface CircuitStartOptions {
   reconnectionHandler?: ReconnectionHandler;
   initializers : ServerInitializers;
   circuitHandlers: CircuitHandler[];
+  // Exists for compatibility with WebStartOptions.
+  circuit?: CircuitStartOptions;
 }
 
 export function resolveOptions(userOptions?: Partial<CircuitStartOptions>): CircuitStartOptions {
diff --git a/src/Components/Web.JS/src/Platform/WebAssemblyStartOptions.ts b/src/Components/Web.JS/src/Platform/WebAssemblyStartOptions.ts
index 6eec9e2b9a1e..fdec303cfa19 100644
--- a/src/Components/Web.JS/src/Platform/WebAssemblyStartOptions.ts
+++ b/src/Components/Web.JS/src/Platform/WebAssemblyStartOptions.ts
@@ -34,6 +34,11 @@ export interface WebAssemblyStartOptions {
    * Allows to override .NET runtime configuration.
    */
   configureRuntime(builder: DotnetHostBuilder): void;
+
+  /**
+   * Exists for compatibility with WebStartOptions.
+   */
+  webAssembly?: WebAssemblyStartOptions;
 }
 
 // This type doesn't have to align with anything in BootConfig.