diff --git a/.changes/fix-fs-watcher-basedir.md b/.changes/fix-fs-watcher-basedir.md
new file mode 100644
index 00000000..031056b7
--- /dev/null
+++ b/.changes/fix-fs-watcher-basedir.md
@@ -0,0 +1,5 @@
+---
+"fs": patch
+---
+
+Fixes `watch` and `watchImmediate` which previously ignored the `baseDir` parameter.
diff --git a/plugins/fs/src/watcher.rs b/plugins/fs/src/watcher.rs
index d83262a2..0795aa49 100644
--- a/plugins/fs/src/watcher.rs
+++ b/plugins/fs/src/watcher.rs
@@ -75,7 +75,7 @@ fn watch_debounced(on_event: Channel, rx: Receiver<DebounceEventResult>) {
 #[derive(Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub struct WatchOptions {
-    dir: Option<BaseDirectory>,
+    base_dir: Option<BaseDirectory>,
     recursive: bool,
     delay_ms: Option<u64>,
 }
@@ -96,7 +96,7 @@ pub async fn watch<R: Runtime>(
             &global_scope,
             &command_scope,
             path,
-            options.dir,
+            options.base_dir,
         )?);
     }