diff --git a/platform/webext/manifest.json b/platform/webext/manifest.json
index 21152ab..bdd4853 100644
--- a/platform/webext/manifest.json
+++ b/platform/webext/manifest.json
@@ -41,7 +41,8 @@
     "minimum_chrome_version": "26.0",
     "name": "uMatrix",
     "options_ui": {
-        "page": "options_ui.html"
+      "page":"dashboard.html",
+      "open_in_tab": true
     },
     "permissions": [
         "browsingData",
diff --git a/tools/make-webext.sh b/tools/make-webext.sh
index 28ec3a2..cab039a 100755
--- a/tools/make-webext.sh
+++ b/tools/make-webext.sh
@@ -22,6 +22,10 @@ cp    platform/webext/polyfill.js          $DES/js/
 cp    platform/webext/vapi-cachestorage.js $DES/js/
 cp    platform/webext/manifest.json        $DES/
 
+# webext-specific
+rm $DES/options_ui.html
+rm $DES/options_ui.js
+
 echo "*** uMatrix.webext: Generating meta..."
 python tools/make-webext-meta.py           $DES/