diff --git a/src/unix/linux.c b/src/unix/linux.c
index 17c73663e..5beb4d2cc 100644
--- a/src/unix/linux.c
+++ b/src/unix/linux.c
@@ -875,7 +875,7 @@ int uv__iou_fs_ftruncate(uv_loop_t* loop, uv_fs_t* req) {
     return 0;
 
   sqe->fd = req->file;
-  sqe->len = req->off;
+  sqe->off = req->off;
   sqe->opcode = UV__IORING_OP_FTRUNCATE;
   uv__iou_submit(iou);
 
diff --git a/test/test-fs.c b/test/test-fs.c
index 4ce059c39..020ee28d6 100644
--- a/test/test-fs.c
+++ b/test/test-fs.c
@@ -953,7 +953,7 @@ static void lutime_cb(uv_fs_t* req) {
 }
 
 
-TEST_IMPL(fs_file_async) {
+TEST_FS_IMPL(fs_file_async) {
   int r;
 
   /* Setup. */
diff --git a/test/test-list.h b/test/test-list.h
index 954eff330..5d44fefb4 100644
--- a/test/test-list.h
+++ b/test/test-list.h
@@ -357,7 +357,7 @@ TEST_DECLARE   (kill_invalid_signum)
 TEST_DECLARE   (fs_file_noent)
 TEST_DECLARE   (fs_file_nametoolong)
 TEST_DECLARE   (fs_file_loop)
-TEST_DECLARE   (fs_file_async)
+TEST_FS_DECLARE(fs_file_async)
 TEST_DECLARE   (fs_file_sync)
 TEST_DECLARE   (fs_posix_delete)
 TEST_DECLARE   (fs_file_write_null_buffer)
@@ -1081,7 +1081,7 @@ TASK_LIST_START
   TEST_ENTRY  (fs_file_noent)
   TEST_ENTRY  (fs_file_nametoolong)
   TEST_ENTRY  (fs_file_loop)
-  TEST_ENTRY  (fs_file_async)
+  TEST_FS_ENTRY(fs_file_async)
   TEST_ENTRY  (fs_file_sync)
   TEST_ENTRY  (fs_posix_delete)
   TEST_ENTRY  (fs_file_write_null_buffer)