diff --git a/subprojects/gst-plugins-good/gst/rtsp/gstrtspsrc.c b/subprojects/gst-plugins-good/gst/rtsp/gstrtspsrc.c
index 81024d21a3..c4314475a6 100644
--- a/subprojects/gst-plugins-good/gst/rtsp/gstrtspsrc.c
+++ b/subprojects/gst-plugins-good/gst/rtsp/gstrtspsrc.c
@@ -7721,6 +7721,7 @@ gst_rtspsrc_setup_streams_start (GstRTSPSrc * src, gboolean async)
       case GST_RTSP_STS_BAD_REQUEST:
       case GST_RTSP_STS_NOT_FOUND:
       case GST_RTSP_STS_METHOD_NOT_VALID_IN_THIS_STATE:
+      case GST_RTSP_STS_PARAMETER_NOT_UNDERSTOOD:
         /* There are various non-compliant servers that don't require control
          * URLs that are not resolved correctly but instead are just appended.
          * See e.g.