diff --git a/src/core/pyros_django/scheduling/models.py b/src/core/pyros_django/scheduling/models.py
index 19960d8..7c8ddd3 100644
--- a/src/core/pyros_django/scheduling/models.py
+++ b/src/core/pyros_django/scheduling/models.py
@@ -39,7 +39,7 @@ class PredictiveSchedule(models.Model):
         # Transform numpy matrix to JSON
         scheduler_matrix_as_json = json.dumps(self.scheduler_matrix, cls=NumpyArrayEncoder)
         self.scheduler_matrix = scheduler_matrix_as_json
-        super(EffectiveSchedule, self).save(*args, **kwargs)
+        super(PredictiveSchedule, self).save(*args, **kwargs)
 
     def get(self, *args, **kwargs):
         # Transform JSON to numpy matrix 
@@ -50,5 +50,5 @@ class PredictiveSchedule(models.Model):
     
 
 class SchedulerHistory(EffectiveSchedule):
-    night_date = models.DateField(blank=True, null=True)
+    night_datetime = models.DateTimeField(blank=True, null=True)
     
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