diff --git a/src/frostfs_testlib/load/load_config.py b/src/frostfs_testlib/load/load_config.py
index e73eea7..73addf7 100644
--- a/src/frostfs_testlib/load/load_config.py
+++ b/src/frostfs_testlib/load/load_config.py
@@ -277,7 +277,7 @@ class LoadParams:
         fields_with_data = [
             MetaField(field.metadata, getattr(instance, field.name))
             for field in data_fields
-            if field.metadata and getattr(instance, field.name)
+            if field.metadata and getattr(instance, field.name) is not None
         ]
 
         for field in data_fields: