diff --git a/rowers/plannedsessions.py b/rowers/plannedsessions.py
index 888ccb47..4ab8ab0e 100644
--- a/rowers/plannedsessions.py
+++ b/rowers/plannedsessions.py
@@ -397,6 +397,9 @@ def add_workouts_plannedsession(ws,ps,r):
             if ps.sessiontype == 'fastest_distance':
                 records = CourseTestResult.objects.filter(userid=w.user.id,plannedsession=ps)
                 for record in records:
+                    w1 = Workout.objects.get(id=record.workoutid)
+                    w1.plannedsession = None
+                    w1.save()
                     record.delete()
 
                 df = dataprep.getsmallrowdata_db(['time','cumdist'],ids=[w.id])
@@ -429,6 +432,9 @@ def add_workouts_plannedsession(ws,ps,r):
             if ps.sessiontype == 'fastest_time':
                 records = CourseTestResult.objects.filter(userid=w.user.id,plannedsession=ps)
                 for record in records:
+                    w1 = Workout.objects.get(id=record.workoutid)
+                    w1.plannedsession = None
+                    w1.save()
                     record.delete()
 
                 df = dataprep.getsmallrowdata_db(['time','cumdist'],ids=[w.id])