diff --git a/src/calibre/gui2/jobs2.py b/src/calibre/gui2/jobs2.py
index a485b93ab5..10b3853907 100644
--- a/src/calibre/gui2/jobs2.py
+++ b/src/calibre/gui2/jobs2.py
@@ -128,7 +128,10 @@ class JobManager(QAbstractTableModel):
         self.emit(SIGNAL('layoutChanged()'))
     
     def _status_update(self, job):
-        row = self.jobs.index(job)
+        try:
+            row = self.jobs.index(job)
+        except ValueError: # Job has been stopped
+            return
         self.emit(SIGNAL('dataChanged(QModelIndex, QModelIndex)'),
                   self.index(row, 0), self.index(row, 3))