--- a/eric6/Project/ProjectProtocolsBrowser.py	Mon Oct 05 19:51:55 2020 +0200
+++ b/eric6/Project/ProjectProtocolsBrowser.py	Tue Oct 06 17:52:44 2020 +0200
@@ -456,7 +456,7 @@
                     " the project?"),
             files)
         
-        if dlg.exec_() == QDialog.Accepted:
+        if dlg.exec() == QDialog.Accepted:
             for fn2, fn in zip(fullNames, files):
                 self.closeSourceWindow.emit(fn2)
                 self.project.deleteFile(fn)