diff --git a/plugins/sip/calls-sip-origin.c b/plugins/sip/calls-sip-origin.c
index e628b59..0ebd558 100644
--- a/plugins/sip/calls-sip-origin.c
+++ b/plugins/sip/calls-sip-origin.c
@@ -521,10 +521,17 @@ sip_i_state (int              status,
     g_autoptr (GList) codecs =
       calls_sip_media_manager_get_codecs_from_sdp (origin->media_manager,
                                                    r_sdp->sdp_media);
-
+    const char *remote_ip = NULL;
+    if (r_sdp->sdp_connection && r_sdp->sdp_connection->c_address) {
+      remote_ip = r_sdp->sdp_connection->c_address;
+    } else {
+      g_warning ("Could not determine IP of remote peer. Hanging up");
+      calls_call_hang_up (CALLS_CALL (call));
+      return;
+    }
     calls_sip_call_set_codecs (call, codecs);
     calls_sip_call_setup_remote_media_connection (call,
-                                                  r_sdp->sdp_connection->c_address,
+                                                  remote_ip,
                                                   r_sdp->sdp_media->m_port,
                                                   r_sdp->sdp_media->m_port + 1);
   }