diff --git a/lib/galaxy/tools/actions/upload_common.py b/lib/galaxy/tools/actions/upload_common.py
index e134e63fe22..98d267ef4ae 100644
--- a/lib/galaxy/tools/actions/upload_common.py
+++ b/lib/galaxy/tools/actions/upload_common.py
@@ -332,7 +332,7 @@ def create_paramfile( trans, uploaded_datasets ):
                          is_binary=is_binary,
                          link_data_only=link_data_only,
                          uuid=uuid_str,
-                         to_posix_lines=uploaded_dataset.to_posix_lines,
+                         to_posix_lines=getattr(uploaded_dataset, "to_posix_lines", True),
                          space_to_tab=uploaded_dataset.space_to_tab,
                          in_place=trans.app.config.external_chown_script is None,
                          path=uploaded_dataset.path )