diff --git a/subprojects/gst-plugins-bad/gst/rtp/gstrtpsrc.c b/subprojects/gst-plugins-bad/gst/rtp/gstrtpsrc.c
index c3103a816b..0a2e600da1 100644
--- a/subprojects/gst-plugins-bad/gst/rtp/gstrtpsrc.c
+++ b/subprojects/gst-plugins-bad/gst/rtp/gstrtpsrc.c
@@ -703,7 +703,6 @@ gst_rtp_src_start (GstRtpSrc * self)
 
     /* set multicast-iface on the udpsrc and udpsink elements */
     g_object_set (self->rtcp_src, "multicast-iface", self->multi_iface, NULL);
-    g_object_set (self->rtcp_sink, "multicast-iface", self->multi_iface, NULL);
     g_object_set (self->rtp_src, "multicast-iface", self->multi_iface, NULL);
   } else {
     /* In unicast, send RTCP to the detected sender address */
diff --git a/subprojects/gst-plugins-bad/tests/check/elements/rtpsrc.c b/subprojects/gst-plugins-bad/tests/check/elements/rtpsrc.c
index 68a519b10f..3065a56b76 100644
--- a/subprojects/gst-plugins-bad/tests/check/elements/rtpsrc.c
+++ b/subprojects/gst-plugins-bad/tests/check/elements/rtpsrc.c
@@ -28,7 +28,7 @@ GST_START_TEST (test_uri_to_properties)
 
   /* Sets properties to non-default values (make sure this stays in sync) */
   g_object_set (rtpsrc, "uri", "rtp://1.230.1.2:1234?"
-      "latency=300" "&ttl=8" "&ttl-mc=9", NULL);
+      "latency=300" "&ttl=8" "&ttl-mc=9" "&multicast-iface=dummy", NULL);
 
   g_object_get (rtpsrc,
       "latency", &latency, "ttl-mc", &ttl_mc, "ttl", &ttl, NULL);