diff --git a/psycop/common/feature_generation/sequences/cohort_definer_to_prediction_times.py b/psycop/common/feature_generation/sequences/cohort_definer_to_prediction_times.py
index bdeb08e8c..ee5f11051 100644
--- a/psycop/common/feature_generation/sequences/cohort_definer_to_prediction_times.py
+++ b/psycop/common/feature_generation/sequences/cohort_definer_to_prediction_times.py
@@ -52,6 +52,8 @@ def create_prediction_times(
 
             if pt_outcome_timestamps is not None:
                 outcome_timestamp = pt_outcome_timestamps[0]
+            else:
+                outcome_timestamp = None
 
             prediction_times += patient.to_prediction_times(
                 lookbehind=lookbehind,