diff --git a/package.json b/package.json
index 9597812..88dbae8 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
   "source": "src/index.html",
   "targets": {
     "default": {
-      "publicUrl": "/txybniz/"
+      "publicUrl": "./"
     }
   },
   "scripts": {
@@ -14,7 +14,7 @@
     "build": "rm -rf dist && parcel build"
   },
   "devDependencies": {
-    "@parcel/transformer-sass": "^2.8.3",
-    "parcel": "^2.8.3"
+    "@parcel/transformer-sass": "^2.12.0",
+    "parcel": "^2.12.0"
   }
 }
diff --git a/src/vm.ts b/src/vm.ts
index c7bcbdf..805ef87 100644
--- a/src/vm.ts
+++ b/src/vm.ts
@@ -114,7 +114,7 @@ export class VM {
                 [a, b] = this.pop(2);
                 this.push(a << (b / FIX));
                 break;
-            case 'l':
+            case '~':
                 [a] = this.pop(1);
                 this.push(~a);
                 break;