diff --git a/tests/test-http-bad-server.t b/tests/test-http-bad-server.t
--- a/tests/test-http-bad-server.t
+++ b/tests/test-http-bad-server.t
@@ -266,7 +266,7 @@
   readline(* from *) -> (49) user-agent: mercurial/proto-1.0 (Mercurial 4.2)\r\n (glob)
   readline(* from *) -> (2) \r\n (glob)
   read(* from 28) -> (*) cmds=* (glob)
-  read limit reached, closing socket
+  read limit reached; closing socket
   $LOCALIP - - [$ERRDATE$] Exception happened during processing request '/?cmd=batch': (glob)
   Traceback (most recent call last):
   Exception: connection closed after receiving N bytes
diff --git a/tests/testlib/badserverext.py b/tests/testlib/badserverext.py
--- a/tests/testlib/badserverext.py
+++ b/tests/testlib/badserverext.py
@@ -230,7 +230,7 @@
         object.__setattr__(self, '_closeafterrecvbytes', remaining)
 
         if remaining <= 0:
-            self._writelog(b'read limit reached, closing socket')
+            self._writelog(b'read limit reached; closing socket')
             self._close()
 
             # This is the easiest way to abort the current request.