diff --git a/lib/isc/unix/socket.c b/lib/isc/unix/socket.c
index 1d02b987d1..b10868c525 100644
--- a/lib/isc/unix/socket.c
+++ b/lib/isc/unix/socket.c
@@ -4790,6 +4790,7 @@ isc_socket_connect(isc_socket_t *sock0, const isc_sockaddr_t *addr,
 			ERROR_MATCH(ENOBUFS, ISC_R_NORESOURCES);
 			ERROR_MATCH(EPERM, ISC_R_HOSTUNREACH);
 			ERROR_MATCH(EPIPE, ISC_R_NOTCONNECTED);
+			ERROR_MATCH(ETIMEDOUT, ISC_R_TIMEDOUT);
 			ERROR_MATCH(ECONNRESET, ISC_R_CONNECTIONRESET);
 #undef ERROR_MATCH
 		}