diff --git a/model_server/accessors.py b/model_server/accessors.py
index 8ef4059eb4d3d6a7a8373035e39bb32e5ffbb6b9..b6e5da1f65a136b6317584cb83193439785eb50c 100644
--- a/model_server/accessors.py
+++ b/model_server/accessors.py
@@ -170,7 +170,9 @@ class CziImageFileAccessor(GenericImageFileAccessor):
         self.czifile.close()
 
 
-def write_accessor_data_to_file(fpath: Path, accessor: GenericImageDataAccessor) -> bool:
+def write_accessor_data_to_file(fpath: Path, accessor: GenericImageDataAccessor, mkdir=True) -> bool:
+    if mkdir:
+        fpath.parent.mkdir(parents=True, exist_ok=True)
     try:
         zcyx= np.moveaxis(
             accessor.data, # yxcz