diff --git a/packages/remix-dev/cli/commands.ts b/packages/remix-dev/cli/commands.ts
index 18288211b56..200a7a81dc6 100644
--- a/packages/remix-dev/cli/commands.ts
+++ b/packages/remix-dev/cli/commands.ts
@@ -183,7 +183,7 @@ export async function build(
       host: dev.httpHost,
       port: dev.httpPort,
     };
-    options.devWebsocketPort = dev.webSocketPort;
+    options.devWebSocketPort = dev.webSocketPort;
   }
 
   fse.emptyDirSync(config.assetsBuildDirectory);
diff --git a/packages/remix-dev/compiler/options.ts b/packages/remix-dev/compiler/options.ts
index d2f9dc979ec..165b89cbab0 100644
--- a/packages/remix-dev/compiler/options.ts
+++ b/packages/remix-dev/compiler/options.ts
@@ -11,5 +11,5 @@ export type Options = {
     host: string;
     port: number;
   };
-  devWebsocketPort?: number;
+  devWebSocketPort?: number;
 };
diff --git a/packages/remix-dev/compiler/server/plugins/entry.ts b/packages/remix-dev/compiler/server/plugins/entry.ts
index 76b16114d5e..3d64193e3b4 100644
--- a/packages/remix-dev/compiler/server/plugins/entry.ts
+++ b/packages/remix-dev/compiler/server/plugins/entry.ts
@@ -51,9 +51,9 @@ ${Object.keys(config.routes)
   export const publicPath = ${JSON.stringify(config.publicPath)};
   export const entry = { module: entryServer };
   ${
-    options.devWebsocketPort
+    options.devWebSocketPort
       ? `export const dev = ${JSON.stringify({
-          websocketPort: options.devWebsocketPort,
+          websocketPort: options.devWebSocketPort,
         })}`
       : ""
   }
diff --git a/packages/remix-dev/devServer_unstable/index.ts b/packages/remix-dev/devServer_unstable/index.ts
index 39851a16d25..75e8c7fa2c5 100644
--- a/packages/remix-dev/devServer_unstable/index.ts
+++ b/packages/remix-dev/devServer_unstable/index.ts
@@ -114,7 +114,7 @@ export let serve = async (
         sourcemap: true,
         onWarning: warnOnce,
         devHttpOrigin: httpOrigin,
-        devWebsocketPort: options.webSocketPort,
+        devWebSocketPort: options.webSocketPort,
       },
     },
     {