--- a/eric6/Project/ProjectSourcesBrowser.py	Mon Aug 30 18:36:05 2021 +0200
+++ b/eric6/Project/ProjectSourcesBrowser.py	Fri Oct 01 17:08:37 2021 +0200
@@ -106,6 +106,9 @@
             self.__createRubyPopupMenus()
         elif self.project.isJavaScriptProject():
             self.__createJavaScriptPopupMenus()
+        else:
+            # assign generic source menu
+            self.mainMenu = self.sourceMenu
         
     def __createPythonPopupMenus(self):
         """