diff --git a/src/poll.c b/src/poll.c
index 20e3a4fc..0ca0524a 100644
--- a/src/poll.c
+++ b/src/poll.c
@@ -119,7 +119,7 @@ static WSAPoll_FunctionType wsa_poll;
 
 int win_poll(ssh_pollfd_t *fds, nfds_t nfds, int timeout) {
     if (wsa_poll) {
-        return (wsa_poll)(fds, nfds, timeout);
+        return (wsa_poll)((WSAPOLLFD *) fds, nfds, timeout);
     }
 
     return SOCKET_ERROR;