diff --git a/src/fd.c b/src/fd.c
index 33b8900..7fdd56b 100644
--- a/src/fd.c
+++ b/src/fd.c
@@ -509,6 +509,9 @@
 				break;
 		} while (errno == EAGAIN || errno == EINTR || errno == ENOMEM);
 
+		if (ret)
+			ret = fd - start;
+
 		for (idx = 0; idx < ret; idx++) {
 			if (poll_events[idx].revents & POLLNVAL)
 				continue; /* already closed */