diff --git a/src/depiction_targeted_preproc/app_interface/collect_chunk.py b/src/depiction_targeted_preproc/app_interface/collect_chunk.py
index 5785c23..32daddd 100644
--- a/src/depiction_targeted_preproc/app_interface/collect_chunk.py
+++ b/src/depiction_targeted_preproc/app_interface/collect_chunk.py
@@ -4,7 +4,7 @@
 import yaml
 
 from bfabric import Bfabric
-from bfabric.experimental.app_interface.workunit.definition import WorkunitDefinition
+from bfabric.experimental.workunit_definition import WorkunitDefinition
 
 app = cyclopts.App()