diff --git a/python_modules/libraries/dagster-dbt/dagster_dbt/dbt_project.py b/python_modules/libraries/dagster-dbt/dagster_dbt/dbt_project.py
index d90929c1c1774..11aced3fc4f77 100644
--- a/python_modules/libraries/dagster-dbt/dagster_dbt/dbt_project.py
+++ b/python_modules/libraries/dagster-dbt/dagster_dbt/dbt_project.py
@@ -263,5 +263,5 @@ def prepare_if_dev(self) -> None:
                     ...
                 )
         """
-        if self.manifest_preparer:
-            self.manifest_preparer.on_load(self)
+        if self.preparer:
+            self.preparer.on_load(self)