diff --git a/package.json b/package.json
index 72f9536..21e9d93 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "mugen-quick-versus-launcher",
   "author": "neolao",
   "license": "MIT",
-  "version": "0.8.0",
+  "version": "0.8.1",
   "description": "Mugen launcher for Quick Versus",
   "keywords": [
     "mugen",
diff --git a/src/style/window.css b/src/style/window.css
index 78bd09b..e6a9b3d 100644
--- a/src/style/window.css
+++ b/src/style/window.css
@@ -10,6 +10,7 @@ body {
   background: #333;
   cursor: none;
   overflow: hidden;
+  user-select: none;
 }
 
 #root {