diff --git a/ext/node/polyfills/fs.ts b/ext/node/polyfills/fs.ts
index 6751c0b115ea02..09effe710df01b 100644
--- a/ext/node/polyfills/fs.ts
+++ b/ext/node/polyfills/fs.ts
@@ -3267,6 +3267,8 @@ function watch(
     ? optionsOrListener2
     : undefined;
 
+  validateIgnoreOption(options?.ignore, "options.ignore");
+
   // deno-lint-ignore prefer-primordials
   const watchPath = getValidatedPath(filename).toString();