--- a/src/eric7/VCS/ProjectHelper.py Sun Dec 11 15:49:39 2022 +0100 +++ b/src/eric7/VCS/ProjectHelper.py Sun Dec 11 17:33:46 2022 +0100 @@ -345,7 +345,8 @@ dlg = PropertiesDialog(self.project, new=False) if dlg.exec() == QDialog.DialogCode.Accepted: dlg.storeData() - self.project.initFileTypes() + if not self.project.getProjectData(dataKey="FILETYPES"): + self.project.initFileTypes() self.project.setProjectData( selectedVcsSystem, dataKey="VCS" )