diff --git a/.github/workflows/node-clickhouse.js.yml b/.github/workflows/node-clickhouse.js.yml
index c722f201..e2302e68 100644
--- a/.github/workflows/node-clickhouse.js.yml
+++ b/.github/workflows/node-clickhouse.js.yml
@@ -52,4 +52,6 @@ jobs:
         CLICKHOUSE_TSDB: qryn
         INTEGRATION_E2E: 1
         CLOKI_EXT_URL: 127.0.0.1:3100
+        QRYN_LOGIN: a
+        QRYN_PASSWORD: b
       run: node qryn.mjs >/dev/stdout & npm run test --forceExit
diff --git a/package.json b/package.json
index 3b521a52..3dc192e8 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "qryn",
-  "version": "3.0.12",
+  "version": "3.0.16",
   "description": "Polyglot Observability Stack with ClickHouse storage",
   "main": "qryn_node.js",
   "bin": {
diff --git a/wasm_parts/main.js b/wasm_parts/main.js
index 6ab616d1..8901bf31 100644
--- a/wasm_parts/main.js
+++ b/wasm_parts/main.js
@@ -167,8 +167,6 @@ const pql = async (query, wasmCall, getData) => {
       writer.writeString(JSON.stringify(matchers))
       writer.writeBytes([data])
     }
-    fs.writeFileSync('req.txt', query)
-    fs.writeFileSync('data.bin', writer.buffer())
     ctx.write(writer.buffer())
     _wasm.exports.onDataLoad(reqId)
     return ctx.read()
@@ -273,7 +271,7 @@ class Uint8ArrayWriter {
   writeString (str) {
     const bStr = (new TextEncoder()).encode(str)
     this.writeULeb(bStr.length)
-    this.maybeGrow(b.length)
+    this.maybeGrow(bStr.length)
     this.buf.set(bStr, this.i)
     this.i += bStr.length
     return this