diff -r dfdf85f37215 -r 48f1b314056b mercurial/hgweb/server.py
--- a/mercurial/hgweb/server.py	Tue May 31 04:18:22 2022 +0200
+++ b/mercurial/hgweb/server.py	Tue May 31 16:54:58 2022 +0200
@@ -115,9 +115,8 @@
     def do_write(self):
         try:
             self.do_hgweb()
-        except socket.error as inst:
-            if inst.errno != errno.EPIPE:
-                raise
+        except BrokenPipeError:
+            pass
 
     def do_POST(self):
         try: