diff --git a/organize/work/browser.py b/organize/work/browser.py
index b5270b3..478dab5 100644
--- a/organize/work/browser.py
+++ b/organize/work/browser.py
@@ -28,6 +28,7 @@ from zope.app.pagetemplate import ViewPageTemplateFile
 from zope.cachedescriptors.property import Lazy
 from zope.event import notify
 from zope.lifecycleevent import ObjectModifiedEvent
+from zope.security.proxy import removeSecurityProxy
 from zope.traversing.browser import absoluteURL
 from zope.traversing.api import getName, getParent
 
@@ -733,3 +734,25 @@ def formatTimeDelta(value):
         return str(int(round(h / 24.0)))
     return u'%02i:%02i' % (h, m)
 
+
+class FixCheckupWorkItems(object):
+
+    def __call__(self):
+        context = removeSecurityProxy(self.context)
+        rm = context['records']['work']
+        count = 0
+        workItems = list(rm.values())
+        for wi in workItems:
+            if wi.state in ('done',):
+                if wi.workItemType != 'checkup':
+                    print '*** done, but not checkup', wi.__name__
+                    continue
+                wi.state = 'running'
+                wi.reindex('state')
+                if wi.end == wi.start:
+                    del wi.data['end']
+                count += 1
+        msg = '*** checked: %i, updated: %i.' % (len(workItems), count)
+        print msg
+        return msg
+
diff --git a/organize/work/configure.zcml b/organize/work/configure.zcml
index d4eab19..28d8d54 100644
--- a/organize/work/configure.zcml
+++ b/organize/work/configure.zcml
@@ -132,6 +132,14 @@
       attribute="embed"
       permission="zope.View" />
 
+  <!-- repair -->
+
+  <browser:page
+      name="fix_checkup_workitems.fix"
+      for="loops.interfaces.ILoops"
+      class="loops.organize.work.browser.FixCheckupWorkItems"
+      permission="zope.View" />
+
   <!-- setup -->
 
   <zope:adapter factory="loops.organize.work.setup.SetupManager"