--- a/eric6/Plugins/VcsPlugins/vcsMercurial/HgDialog.py	Mon Feb 01 10:38:43 2021 +0100
+++ b/eric6/Plugins/VcsPlugins/vcsMercurial/HgDialog.py	Tue Mar 02 17:12:08 2021 +0100
@@ -164,7 +164,10 @@
         # check for a changed project file
         if self.__updateCommand:
             for line in out.splitlines():
-                if '.e4p' in line:
+                if (
+                    '.epj' in line or
+                    '.e4p' in line
+                ):
                     self.__hasAddOrDelete = True
                     break