diff --git a/src/zarr_tools/convert.py b/src/zarr_tools/convert.py
index e4247f3f86a7efb58dd98dcfe1f0cab559d7c4c0..d0e92f7d6d40139b8e6da985e3627abf2860f88e 100644
--- a/src/zarr_tools/convert.py
+++ b/src/zarr_tools/convert.py
@@ -2,7 +2,7 @@ import zarr
 import dask.array as da
 import os
 import json
-
+import nd2
 
 def to_zarr(
     dask_input:da.Array,