diff --git a/src/chunk.c b/src/chunk.c
index f9feaa92..1a9cf3a2 100644
--- a/src/chunk.c
+++ b/src/chunk.c
@@ -375,7 +375,8 @@ static int chunkqueue_append_mem_extend_chunk(chunkqueue * const restrict cq, co
 void chunkqueue_append_buffer(chunkqueue * const restrict cq, buffer * const restrict mem) {
 	chunk *c;
 	size_t len = mem ? buffer_clen(mem) : 0;
-	if (len < 256 && chunkqueue_append_mem_extend_chunk(cq, mem->ptr, len)) return;
+	if (len < 1024 && chunkqueue_append_mem_extend_chunk(cq, mem->ptr, len))
+	    return;
 
 	c = chunkqueue_append_mem_chunk(cq, chunk_buf_sz);
 	cq->bytes_in += len;