diff --git a/rowers/plannedsessions.py b/rowers/plannedsessions.py
index b2b7811a..487226c5 100644
--- a/rowers/plannedsessions.py
+++ b/rowers/plannedsessions.py
@@ -196,11 +196,16 @@ def is_session_complete_ws(ws,ps):
             if ratio == 1.0:
                 return ratio,'completed',completiondate
             else:
+                if not completiondate:
+                    completiondate = ws.reverse()[0].date
                 return ratio,'partial',completiondate
         elif ps.criterium == 'minimum':
             if ratio >= 1.0:
                 return ratio,'completed',completiondate
             else:
+                if not completiondate:
+                    completiondate = ws.reverse()[0].date
+
                 return ratio,'partial',completiondate
         else:
             if ratio>cratiomin and ratio<cratiomax:
@@ -222,11 +227,17 @@ def is_session_complete_ws(ws,ps):
             if ratio > 1.0:
                 return ratio,'completed',completiondate
             else:
+                if not completiondate:
+                    completiondate = ws.reverse()[0].date
                 return ratio,'partial',completiondate
         else:
+            if not completiondate:
+                completiondate = ws.reverse()[0].date
             return ratio,'partial',completiondate
             
     else:
+        if not completiondate:
+            completiondate = ws.reverse()[0].date
         return ratio,status,completiondate