diff --git a/src/js/static-net-filtering.js b/src/js/static-net-filtering.js
index acfb5d144..a5973f525 100644
--- a/src/js/static-net-filtering.js
+++ b/src/js/static-net-filtering.js
@@ -3100,7 +3100,7 @@ const urlTokenizer = new (class {
         this._hasQuery = 0;
         // https://www.reddit.com/r/uBlockOrigin/comments/dzw57l/
         //   Remember: 1 token needs two slots
-        this._tokens = new Uint32Array(2064);
+        this._tokens = new Uint32Array(bidiTrie.haystack.length + 16);
 
         this.knownTokens = new Uint8Array(65536);
         this.resetKnownTokens();