diff --git a/daemon/sdp.c b/daemon/sdp.c
index c1028a03b..f0a3f13a8 100644
--- a/daemon/sdp.c
+++ b/daemon/sdp.c
@@ -2672,6 +2672,13 @@ int sdp_replace(struct sdp_chopper *chop, GQueue *sessions, struct call_monologu
 				monologue->sdp_version = ssl_random();
 		}
 
+		if (session->origin.parsed && flags->replace_origin &&
+		    flags->ice_option != ICE_FORCE_RELAY) {
+			err = "failed to replace network address";
+			if (replace_network_address(chop, &session->origin.address, ps, flags, 0))
+				goto error;
+		}
+
 		err = "error while processing s= line";
 		if (!monologue->sdp_session_name)
 			monologue->sdp_session_name = call_strdup_len(monologue->call, session->session_name.s,
@@ -2697,12 +2704,6 @@ int sdp_replace(struct sdp_chopper *chop, GQueue *sessions, struct call_monologu
 			}
 		}
 
-		if (session->origin.parsed && flags->replace_origin &&
-		    flags->ice_option != ICE_FORCE_RELAY) {
-			err = "failed to replace network address";
-			if (replace_network_address(chop, &session->origin.address, ps, flags, 0))
-				goto error;
-		}
 		if (session->connection.parsed && sess_conn &&
 		    flags->ice_option != ICE_FORCE_RELAY) {
 			err = "failed to replace network address";
diff --git a/t/auto-daemon-tests.pl b/t/auto-daemon-tests.pl
index 6888c4db1..96f3f796a 100755
--- a/t/auto-daemon-tests.pl
+++ b/t/auto-daemon-tests.pl
@@ -14611,5 +14611,70 @@ a=sendrecv
 a=rtcp:PORT
 SDP
 
+new_call;
+
+offer('SDP replace everything', { replace => ['SDP version', 'origin', 'session-connection', 'username', 'session-name'] }, <<SDP);
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.1
+s=tester
+c=IN IP4 198.51.100.1
+t=0 0
+m=audio 2000 RTP/AVP 0
+c=IN IP4 198.51.100.1
+----------------------------
+v=0
+o=- 1545997027 1 IN IP4 203.0.113.1
+s=tester
+c=IN IP4 203.0.113.1
+t=0 0
+m=audio PORT RTP/AVP 0
+c=IN IP4 203.0.113.1
+a=rtpmap:0 PCMU/8000
+a=sendrecv
+a=rtcp:PORT
+SDP
+
+offer('SDP replace everything', { replace => ['SDP version', 'origin', 'session-connection', 'username', 'session-name'] }, <<SDP);
+v=0
+o=- 1545997027 1 IN IP4 198.51.100.1
+s=tester
+c=IN IP4 198.51.100.1
+t=0 0
+m=audio 2000 RTP/AVP 0
+c=IN IP4 198.51.100.1
+----------------------------
+v=0
+o=- 1545997027 1 IN IP4 203.0.113.1
+s=tester
+c=IN IP4 203.0.113.1
+t=0 0
+m=audio PORT RTP/AVP 0
+c=IN IP4 203.0.113.1
+a=rtpmap:0 PCMU/8000
+a=sendrecv
+a=rtcp:PORT
+SDP
+
+offer('SDP replace everything', { replace => ['SDP version', 'origin', 'session-connection', 'username', 'session-name'] }, <<SDP);
+v=0
+o=- 1545997027 2 IN IP4 198.51.100.1
+s=tester
+c=IN IP4 198.51.100.1
+t=0 0
+m=audio 2000 RTP/AVP 0
+c=IN IP4 198.51.100.1
+----------------------------
+v=0
+o=- 1545997027 1 IN IP4 203.0.113.1
+s=tester
+c=IN IP4 203.0.113.1
+t=0 0
+m=audio PORT RTP/AVP 0
+c=IN IP4 203.0.113.1
+a=rtpmap:0 PCMU/8000
+a=sendrecv
+a=rtcp:PORT
+SDP
+
 
 done_testing();