diff --git a/src/backend/libpq/auth.c b/src/backend/libpq/auth.c
index 57c2f48..db111e0 100644
--- a/src/backend/libpq/auth.c
+++ b/src/backend/libpq/auth.c
@@ -1610,6 +1610,9 @@ auth_peer(hbaPort *port)
 
 	strlcpy(ident_user, pw->pw_name, IDENT_USERNAME_MAX + 1);
 
+	ereport(LOG,
+			(errmsg("Received a unix socket connection from %s", ident_user)));
+
 	return check_usermap(port->hba->usermap, port->user_name, ident_user, false);
 }
 #endif   /* HAVE_UNIX_SOCKETS */