diff --git a/src/aio/Windows.zig b/src/aio/Windows.zig
index 7a35acf..bd88cc6 100644
--- a/src/aio/Windows.zig
+++ b/src/aio/Windows.zig
@@ -486,11 +486,11 @@ pub fn uringlator_complete(self: *@This(), id: aio.Id, op_type: Operation, failu
                     @memcpy(std.mem.asBytes(a), win_state.accept[@sizeOf(std.posix.sockaddr) + 16 .. @sizeOf(std.posix.sockaddr) * 2 + 16]);
                 }
             },
-            .read, .recv => {
+            .read, .recv, .recv_msg => {
                 const out_read = self.uringlator.ops.getOne(.out_result, id).cast(*usize);
                 out_read.* = ovl.res;
             },
-            .write, .send => {
+            .write, .send, .send_msg => {
                 const out_written = self.uringlator.ops.getOne(.out_result, id).cast(?*usize);
                 if (out_written) |w| w.* = ovl.res;
             },
diff --git a/src/aio/posix/windows.zig b/src/aio/posix/windows.zig
index a102089..509f627 100644
--- a/src/aio/posix/windows.zig
+++ b/src/aio/posix/windows.zig
@@ -333,8 +333,8 @@ pub fn recvmsgEx(sockfd: std.posix.socket_t, msg: *msghdr, _: u32, overlapped: ?
                 sock,
                 win_sock.SIO_GET_EXTENSION_FUNCTION_POINTER,
                 // not in zigwin32
-                @constCast(@ptrCast(&std.os.windows.ws2_32.WSAID_WSARECVMSG.Data4)),
-                std.os.windows.ws2_32.WSAID_WSARECVMSG.Data4.len,
+                @constCast(@ptrCast(&std.os.windows.ws2_32.WSAID_WSARECVMSG)),
+                @sizeOf(std.os.windows.GUID),
                 @ptrCast(&fun),
                 @sizeOf(@TypeOf(fun)),
                 &trash,