--- a/tests/test-http-proxy.t	Sun Nov 04 16:57:05 2018 +0900
+++ b/tests/test-http-proxy.t	Mon Dec 10 10:21:08 2018 +0100
@@ -90,7 +90,8 @@
 misconfigured hosts)
 
   $ http_proxy=localhost:$HGPORT2 hg clone --config http_proxy.always=True http://localhost:$HGPORT/ f
-  abort: error: (Connection refused|Protocol not supported|.* actively refused it|Cannot assign requested address) (re)
+  abort: error: (Connection refused|Protocol not supported|.* actively refused it) (re) (?)
+  abort: error: $EADDRNOTAVAIL$ (?)
   [255]
 
 do not use the proxy if it is in the no list