diff --git a/subprojects/gst-plugins-good/gst/rtsp/gstrtspsrc.c b/subprojects/gst-plugins-good/gst/rtsp/gstrtspsrc.c
index 864594d025..7d03a79b37 100644
--- a/subprojects/gst-plugins-good/gst/rtsp/gstrtspsrc.c
+++ b/subprojects/gst-plugins-good/gst/rtsp/gstrtspsrc.c
@@ -4776,6 +4776,9 @@ gst_rtspsrc_stream_configure_udp_sinks (GstRTSPSrc * src,
     /* no sync or async state changes needed */
     g_object_set (G_OBJECT (stream->udpsink[0]), "auto-multicast", FALSE,
         "loop", FALSE, "sync", FALSE, "async", FALSE, NULL);
+    if (src->multi_iface != NULL)
+      g_object_set (G_OBJECT (stream->udpsink[0]), "multicast-iface",
+          src->multi_iface, NULL);
     if (ttl > 0)
       g_object_set (G_OBJECT (stream->udpsink[0]), "ttl", ttl, NULL);
 
@@ -4839,6 +4842,9 @@ gst_rtspsrc_stream_configure_udp_sinks (GstRTSPSrc * src,
     /* no sync or async state changes needed */
     g_object_set (G_OBJECT (stream->udpsink[1]), "auto-multicast", FALSE,
         "loop", FALSE, "sync", FALSE, "async", FALSE, NULL);
+    if (src->multi_iface != NULL)
+      g_object_set (G_OBJECT (stream->udpsink[1]), "multicast-iface",
+          src->multi_iface, NULL);
     if (ttl > 0)
       g_object_set (G_OBJECT (stream->udpsink[0]), "ttl", ttl, NULL);