diff --git a/io.c b/io.c
index eb4b492..bb6d0e8 100644
--- a/io.c
+++ b/io.c
@@ -158,11 +158,10 @@ io_polln(struct io **iop, u_int n, struct io **rio, int timeout, char **cause)
 		xfree(pfds);
 
 		if (error == 0) {
-			if (timeout == 0) {
+			if (timeout == 0)
 				errno = EAGAIN;
-				return (-1);
-			}
-			errno = ETIMEDOUT;
+			else
+				errno = ETIMEDOUT;
 		}
 
 		if (errno == EINTR)