diff --git a/ts/classes.typedserver.ts b/ts/classes.typedserver.ts
index c8e8ff8..b3ac69e 100644
--- a/ts/classes.typedserver.ts
+++ b/ts/classes.typedserver.ts
@@ -271,7 +271,11 @@ export class TypedServer {
     // Setup file watching
     if (this.options.watch && this.options.serveDir) {
       try {
-        this.smartwatchInstance = new plugins.smartwatch.Smartwatch([this.options.serveDir]);
+        // Use glob pattern to match all files recursively in serveDir
+        const watchGlob = this.options.serveDir.endsWith('/')
+          ? `${this.options.serveDir}**/*`
+          : `${this.options.serveDir}/**/*`;
+        this.smartwatchInstance = new plugins.smartwatch.Smartwatch([watchGlob]);
         await this.smartwatchInstance.start();
         (await this.smartwatchInstance.getObservableFor('change')).subscribe(async () => {
           await this.createServeDirHash();