diff --git a/.changeset/loud-gifts-wink.md b/.changeset/loud-gifts-wink.md
new file mode 100644
index 0000000000000000000000000000000000000000..e6218583c11b8df9496a85c7b099f585dcdfb7ed
--- /dev/null
+++ b/.changeset/loud-gifts-wink.md
@@ -0,0 +1,5 @@
+---
+"@llamaindex/env": patch
+---
+
+fix: switch tokenizer in cloudflare
diff --git a/packages/env/src/tokenizers.workerd.ts b/packages/env/src/tokenizers.workerd.ts
index de80cda92ae949abcb4cac12632fd3950923aca5..a1ac4a758cfae99261f9d153104c5f4b062feb67 100644
--- a/packages/env/src/tokenizers.workerd.ts
+++ b/packages/env/src/tokenizers.workerd.ts
@@ -2,4 +2,4 @@ export {
   Tokenizers,
   tokenizers,
   type Tokenizer,
-} from "./internal/tokenizers/js.js";
+} from "./internal/tokenizers/node.js";