--- a/Project/Project.py Mon May 21 22:16:21 2018 +0200 +++ b/Project/Project.py Wed May 23 19:36:11 2018 +0200 @@ -3452,9 +3452,15 @@ @return path of the management directory (string) """ if Utilities.isWindowsPlatform(): - return os.path.join(self.ppath, "_eric6project") - else: - return os.path.join(self.ppath, ".eric6project") + # migrate the old project management directory ( < v18.06) + oldDir = os.path.join(self.ppath, "_eric6project") + if os.path.exists(oldDir): + os.rename( + oldDir, + os.path.join(self.ppath, ".eric6project") + ) + + return os.path.join(self.ppath, ".eric6project") def createProjectManagementDir(self): """