diff --git a/tools/watcher.ts b/tools/watcher.ts
index 74bb922..e00bac2 100644
--- a/tools/watcher.ts
+++ b/tools/watcher.ts
@@ -1,5 +1,5 @@
 /* eslint-disable no-console */
-import { watch } from 'chokidar';
+import chokidar from 'chokidar';
 
 import { runBuild } from './builder';
 import copyContents from './copier';
@@ -8,7 +8,7 @@ const buildWatch = () => {
   runBuild(true).catch(console.error);
 
   // Watch directories
-  const watcher = watch(['public/'], {
+  const watcher = chokidar.watch(['public/'], {
     ignored: /node_modules/,
     persistent: true,
   });
diff --git a/tsconfig.json b/tsconfig.json
index 22f0bdb..d34f795 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -47,5 +47,12 @@
     "isolatedModules": true
     // "checkJs": true,
   },
-  "exclude": ["node_modules", "dist", "build", "web-ext-artifacts", "docs"]
+  "exclude": [
+    "node_modules",
+    "dist",
+    "build",
+    "web-ext-artifacts",
+    "docs",
+    "tools"
+  ]
 }