diff --git a/js_api_module/buffer/src/js_buffer.ts b/js_api_module/buffer/src/js_buffer.ts
index 7e5b9624cb6365306b3bf4dce93c97a6e59a5727..ff7eb84368e25e47330af6e77b64c28af4a90fbd 100644
--- a/js_api_module/buffer/src/js_buffer.ts
+++ b/js_api_module/buffer/src/js_buffer.ts
@@ -1963,7 +1963,7 @@ function concat(list: Buffer[] | Uint8Array[], totalLength?: number): Buffer {
 
   rangeErrorCheck(totalLength, 'totalLength', 0, UINT32MAX);
 
-  let buffer = allocUninitializedFromPool(totalLength);
+  let buffer = alloc(totalLength);
   let offset = 0;
   for (let i = 0, len = list.length; i < len; i++) {
     const buf = list[i];