diff --git a/module/zfs/zio.c b/module/zfs/zio.c
index 3cf22dd85b..4abc51b582 100644
--- a/module/zfs/zio.c
+++ b/module/zfs/zio.c
@@ -959,7 +959,7 @@ zio_taskq_dispatch(zio_t *zio, enum zio_taskq_type q)
 		t = ZIO_TYPE_NULL;
 
 	(void) taskq_dispatch(zio->io_spa->spa_zio_taskq[t][q],
-	    (task_func_t *)zio_execute, zio, TQ_NOSLEEP);
+	    (task_func_t *)zio_execute, zio, TQ_SLEEP);
 }
 
 static boolean_t