diff --git a/fn.py b/fn.py
index 7cd0b6c..9d07cfc 100755
--- a/fn.py
+++ b/fn.py
@@ -221,7 +221,7 @@ def connect_to_file_output(node_list, file_out=None, base_path='', excludes=None
         tech_file_format['color_depth'] = '32'
         ## Enforce a lossless format if provided is not
         if (codec := tech_file_format.get('exr_codec')) and codec not in ['ZIP','PIZ','RLE','ZIPS']:
-            tech_file_format['exr_codec'] = 'PIZ'
+            tech_file_format['exr_codec'] = 'ZIP'
 
     for node in node_list:
         exclusions = excludes.get(node.name) or []
diff --git a/operators/__init__.py b/operators/__init__.py
index b8f9b17..52be160 100755
--- a/operators/__init__.py
+++ b/operators/__init__.py
@@ -4,6 +4,7 @@ from . import (
     outputs_search_and_replace,
     visibility_conflicts,
     simplify_conflicts,
+    # conform_collection_hierarchy,
     scene_checker,
 )
 
@@ -13,6 +14,7 @@ mods = (
     outputs_search_and_replace,
     visibility_conflicts,
     simplify_conflicts,
+    # conform_collection_hierarchy,
     scene_checker,
 )
 
diff --git a/operators/outputs_setup.py b/operators/outputs_setup.py
index 3899402..dae85ab 100755
--- a/operators/outputs_setup.py
+++ b/operators/outputs_setup.py
@@ -212,7 +212,7 @@ class RT_OT_create_output_layers(bpy.types.Operator):
 
     exr_codec : EnumProperty(
         name='Codec',
-        default='PIZ',
+        default='DWAB',
         description='Codec settings for OpenEXR',
         items=(
             ('PIZ', 'PIZ (lossless)', ''),