diff --git a/src/main.cpp b/src/main.cpp
index 981134e64..bf98ca7d8 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1154,11 +1154,6 @@ int main(int argc, char *argv[])
                 video_rxtx_mode |= MODE_SENDER;
         }
 
-        if (video_rxtx_mode & MODE_RECEIVER && video_rxtx_mode & MODE_SENDER) {
-                LOG(LOG_LEVEL_ERROR) << "Combined sender and receiver not supported in VRG mode!\n";
-                EXIT(EXIT_FAILURE);
-        }
-
         if (video_rx_port == -1) {
                 if ((video_rxtx_mode & MODE_RECEIVER) == 0) {
                         // do not occupy recv port if we are not receiving (note that this disables communication with
diff --git a/src/rtp/rtp.c b/src/rtp/rtp.c
index 7b26d2a80..e7b8d4c31 100644
--- a/src/rtp/rtp.c
+++ b/src/rtp/rtp.c
@@ -1111,10 +1111,13 @@ struct rtp *rtp_init_if(const char *addr, const char *iface,
         session->send_rtcp_to_origin = false; // VRG
 
         // VRG specific changes
-        assert((rx_port == 0 || tx_port == 0));
         session->rtp_socket = udp_init_if(addr, iface, rx_port, tx_port, ttl, force_ip_version, multithreaded);
         uint16_t rtcp_rx_port = rx_port != 0 ? 0 : tx_port != 0 ? tx_port + 1 : 0;
         uint16_t rtcp_tx_port = (rx_port == 0 ? tx_port : rx_port) + 1;
+        if (rx_port != 0 && tx_port != 0) {
+                assert (rx_port == tx_port);
+                rtcp_rx_port = rtcp_tx_port = rx_port + 1;
+        }
 
         session->rtcp_socket =
             udp_init_if(addr, iface, rtcp_rx_port, rtcp_tx_port, ttl, force_ip_version, false);