diff --git a/triage/experiments/base.py b/triage/experiments/base.py
index 95d10d580..852f14176 100644
--- a/triage/experiments/base.py
+++ b/triage/experiments/base.py
@@ -159,6 +159,7 @@ def initialize_factories(self):
             experiment_hash=self.experiment_hash,
             model_storage_engine=self.model_storage_engine,
             model_group_keys=self.config['model_group_keys'],
+            feature_config=self.config['feature_aggregations'],
             replace=self.replace
         )