diff --git a/tailbone/views/shifts/lib.py b/tailbone/views/shifts/lib.py
index fd37d4bb..f702f069 100644
--- a/tailbone/views/shifts/lib.py
+++ b/tailbone/views/shifts/lib.py
@@ -372,6 +372,7 @@ class TimeSheetView(View):
                 employee.weekdays = [{} for day in weekdays]
             setattr(employee, '{}_hours'.format(shift_type), datetime.timedelta(0))
             setattr(employee, '{}_hours_display'.format(shift_type), '0')
+            hours_incomplete = False
 
             for i, day in enumerate(weekdays):
                 empday = {
@@ -391,6 +392,8 @@ class TimeSheetView(View):
                             empday['{}_hours'.format(shift_type)] += shift.length
                             setattr(employee, '{}_hours'.format(shift_type),
                                     getattr(employee, '{}_hours'.format(shift_type)) + shift.length)
+                        else:
+                            hours_incomplete = True
                         del employee_shifts[0]
                     else:
                         break
@@ -402,8 +405,10 @@ class TimeSheetView(View):
 
             hours = getattr(employee, '{}_hours'.format(shift_type))
             if hours:
-                setattr(employee, '{}_hours_display'.format(shift_type),
-                        pretty_hours(hours))
+                display = pretty_hours(hours)
+                if hours_incomplete:
+                    display = '{} ?'.format(display)
+                setattr(employee, '{}_hours_display'.format(shift_type), display)
 
     @classmethod
     def defaults(cls, config):