diff --git a/src/backends/meta-screen-cast-stream-src.c b/src/backends/meta-screen-cast-stream-src.c
index 43a14beda..fda28c4fb 100644
--- a/src/backends/meta-screen-cast-stream-src.c
+++ b/src/backends/meta-screen-cast-stream-src.c
@@ -1230,9 +1230,7 @@ on_stream_param_changed (void                 *data,
           params[n_params++] = push_format_object (
             &pod_builder,
             priv->video_format.format, &preferred_modifier, 1, TRUE,
-            SPA_FORMAT_VIDEO_size, SPA_POD_CHOICE_RANGE_Rectangle (&priv->video_format.size,
-                                                                   &priv->video_format.size,
-                                                                   &priv->video_format.size),
+            SPA_FORMAT_VIDEO_size, SPA_POD_Rectangle (&priv->video_format.size),
             SPA_FORMAT_VIDEO_framerate, SPA_POD_Fraction (&SPA_FRACTION (0, 1)),
             SPA_FORMAT_VIDEO_maxFramerate,
             SPA_POD_CHOICE_RANGE_Fraction (&priv->video_format.max_framerate,