diff --git a/src/common/socks5.py b/src/common/socks5.py
index 63c37f2f6..f3c1a5b5e 100644
--- a/src/common/socks5.py
+++ b/src/common/socks5.py
@@ -33,6 +33,7 @@ from errno import ENOBUFS
 from errno import EINTR
 from errno import EISCONN
 from errno import EINPROGRESS
+from errno import EAFNOSUPPORT
 from xmpp.idlequeue import IdleObject
 MAX_BUFF_LEN = 65536