diff --git a/include/wine/afd.h b/include/wine/afd.h
index 46d242c7582..35d047c59d8 100644
--- a/include/wine/afd.h
+++ b/include/wine/afd.h
@@ -147,6 +147,7 @@ struct afd_get_events_params
 #define IOCTL_AFD_WINE_SIOCATMARK           CTL_CODE(FILE_DEVICE_NETWORK, 212, METHOD_BUFFERED, FILE_ANY_ACCESS)
 #define IOCTL_AFD_WINE_GET_INTERFACE_LIST   CTL_CODE(FILE_DEVICE_NETWORK, 213, METHOD_BUFFERED, FILE_ANY_ACCESS)
 #define IOCTL_AFD_WINE_KEEPALIVE_VALS       CTL_CODE(FILE_DEVICE_NETWORK, 214, METHOD_BUFFERED, FILE_ANY_ACCESS)
+#define IOCTL_AFD_WINE_MESSAGE_SELECT       CTL_CODE(FILE_DEVICE_NETWORK, 215, METHOD_BUFFERED, FILE_ANY_ACCESS)
 
 struct afd_create_params
 {
@@ -199,4 +200,12 @@ struct afd_transmit_params
     DWORD flags;
 };
 
+struct afd_message_select_params
+{
+    obj_handle_t handle;
+    user_handle_t window;
+    unsigned int message;
+    int mask;
+};
+
 #endif
diff --git a/server/sock.c b/server/sock.c
index e1b30507514..6d2ac6af2b7 100644
--- a/server/sock.c
+++ b/server/sock.c
@@ -2095,6 +2095,35 @@ static int sock_ioctl( struct fd *fd, ioctl_code_t code, struct async *async )
         return 1;
     }
 
+    case IOCTL_AFD_WINE_MESSAGE_SELECT:
+    {
+        const struct afd_message_select_params *params = get_req_data();
+
+        if (get_req_data_size() < sizeof(params))
+        {
+            set_error( STATUS_BUFFER_TOO_SMALL );
+            return 0;
+        }
+
+        if (sock->event) release_object( sock->event );
+
+        if (params->window)
+        {
+            sock->pending_events = 0;
+            sock->reported_events = 0;
+        }
+        sock->event = NULL;
+        sock->mask = params->mask;
+        sock->window = params->window;
+        sock->message = params->message;
+        sock->wparam = params->handle;
+        sock->nonblocking = 1;
+
+        sock_reselect( sock );
+
+        return 1;
+    }
+
     default:
         set_error( STATUS_NOT_SUPPORTED );
         return 0;