diff -r 58fe260e7469 -r 7ce719013078 QScintilla/ShellHistoryDialog.py --- a/QScintilla/ShellHistoryDialog.py Sat Oct 19 12:28:12 2013 +0200 +++ b/QScintilla/ShellHistoryDialog.py Sat Oct 19 13:03:39 2013 +0200 @@ -44,7 +44,7 @@ Private slot to handle a change of the selection. """ selected = len(self.historyList.selectedItems()) > 0 - self.copyButton.setEnabled(selected and \ + self.copyButton.setEnabled(selected and self.vm.activeWindow() is not None) self.deleteButton.setEnabled(selected) self.executeButton.setEnabled(selected)