Index: os/connection.c
===================================================================
--- os/connection.c.orig
+++ os/connection.c
@@ -1009,7 +1009,7 @@ CheckConnections(void)
             do {
                 r = Select (curclient + 1, &tmask, NULL, NULL, &notime);
             } while (r < 0 && (errno == EINTR || errno == EAGAIN));
-            if (r < 0)
+            if (r < 0 && (errno == EBADF))
                 if (ConnectionTranslation[curclient] > 0)
                     CloseDownClient(clients[ConnectionTranslation[curclient]]);
 	    mask &= ~((fd_mask)1 << curoff);