diff --git a/src/win/internal.h b/src/win/internal.h
index 9920f704..f32d24a7 100644
--- a/src/win/internal.h
+++ b/src/win/internal.h
@@ -332,8 +332,8 @@ int WSAAPI uv_wsarecvfrom_workaround(SOCKET socket, WSABUF* buffers,
     int* addr_len, WSAOVERLAPPED *overlapped,
     LPWSAOVERLAPPED_COMPLETION_ROUTINE completion_routine);
 
-int WSAAPI uv_msafd_poll(SOCKET socket, AFD_POLL_INFO* info,
-    OVERLAPPED* overlapped);
+int WSAAPI uv_msafd_poll(SOCKET socket, AFD_POLL_INFO* info_in,
+    AFD_POLL_INFO* info_out, OVERLAPPED* overlapped);
 
 /* Whether there are any non-IFS LSPs stacked on TCP */
 extern int uv_tcp_non_ifs_lsp_ipv4;
diff --git a/src/win/poll.c b/src/win/poll.c
index 76427b01..37242792 100644
--- a/src/win/poll.c
+++ b/src/win/poll.c
@@ -46,6 +46,8 @@ typedef struct uv_single_fd_set_s {
 static OVERLAPPED overlapped_dummy_;
 static uv_once_t overlapped_dummy_init_guard_ = UV_ONCE_INIT;
 
+static AFD_POLL_INFO afd_poll_info_dummy_;
+
 
 static void uv__init_overlapped_dummy(void) {
   HANDLE event;
@@ -65,6 +67,11 @@ static OVERLAPPED* uv__get_overlapped_dummy() {
 }
 
 
+static AFD_POLL_INFO* uv__get_afd_poll_info_dummy() {
+  return &afd_poll_info_dummy_;
+}
+
+
 static void uv__fast_poll_submit_poll_req(uv_loop_t* loop, uv_poll_t* handle) {
   uv_req_t* req;
   AFD_POLL_INFO* afd_poll_info;
@@ -107,6 +114,7 @@ static void uv__fast_poll_submit_poll_req(uv_loop_t* loop, uv_poll_t* handle) {
   memset(&req->overlapped, 0, sizeof req->overlapped);
 
   result = uv_msafd_poll((SOCKET) handle->peer_socket,
+                         afd_poll_info,
                          afd_poll_info,
                          &req->overlapped);
   if (result != 0 && WSAGetLastError() != WSA_IO_PENDING) {
@@ -130,6 +138,7 @@ static int uv__fast_poll_cancel_poll_req(uv_loop_t* loop, uv_poll_t* handle) {
 
   result = uv_msafd_poll(handle->socket,
                          &afd_poll_info,
+                         uv__get_afd_poll_info_dummy(),
                          uv__get_overlapped_dummy());
 
   if (result == SOCKET_ERROR) {
diff --git a/src/win/winsock.c b/src/win/winsock.c
index cf6d0318..b91a2373 100644
--- a/src/win/winsock.c
+++ b/src/win/winsock.c
@@ -467,8 +467,8 @@ int WSAAPI uv_wsarecvfrom_workaround(SOCKET socket, WSABUF* buffers,
 }
 
 
-int WSAAPI uv_msafd_poll(SOCKET socket, AFD_POLL_INFO* info,
-    OVERLAPPED* overlapped) {
+int WSAAPI uv_msafd_poll(SOCKET socket, AFD_POLL_INFO* info_in,
+    AFD_POLL_INFO* info_out, OVERLAPPED* overlapped) {
   IO_STATUS_BLOCK iosb;
   IO_STATUS_BLOCK* iosb_ptr;
   HANDLE event = NULL;
@@ -506,10 +506,10 @@ int WSAAPI uv_msafd_poll(SOCKET socket, AFD_POLL_INFO* info,
                                   apc_context,
                                   iosb_ptr,
                                   IOCTL_AFD_POLL,
-                                  info,
-                                  sizeof *info,
-                                  info,
-                                  sizeof *info);
+                                  info_in,
+                                  sizeof *info_in,
+                                  info_out,
+                                  sizeof *info_out);
 
   if (overlapped == NULL) {
     /* If this is a blocking operation, wait for the event to become */