--- a/eric6/Project/UserProjectFile.py	Wed Jan 27 18:27:52 2021 +0100
+++ b/eric6/Project/UserProjectFile.py	Wed Jan 27 18:29:25 2021 +0100
@@ -8,7 +8,6 @@
 """
 
 import json
-import os
 import time
 import typing
 
@@ -48,11 +47,10 @@
         @return flag indicating a successful write
         @rtype bool
         """
-        name = os.path.splitext(os.path.basename(filename))[0]
-        
         userProjectDict = {}
         userProjectDict["header"] = {
-            "comment": f"eric user project file for project {name}",
+            "comment": "eric user project file for project {0}".format(
+                self.__project.getProjectName()),
         }
         
         # TODO: replace 'XMLTimestamp' by 'Timestamp'