diff --git a/linphone/oRTP/src/rtpsession_inet.c b/linphone/oRTP/src/rtpsession_inet.c
index 2c4f9886b..0ec5a7526 100644
--- a/linphone/oRTP/src/rtpsession_inet.c
+++ b/linphone/oRTP/src/rtpsession_inet.c
@@ -318,7 +318,7 @@ int rtp_session_set_multicast_ttl(RtpSession *session, int ttl)
 					 (SOCKET_OPTION_VALUE)	   &session->multicast_ttl, sizeof(session->multicast_ttl));
 
  		} break;
-
+#ifdef ORTP_INET6
         case AF_INET6: {
 
 			retval= setsockopt(session->rtp.socket, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, 
@@ -330,7 +330,7 @@ int rtp_session_set_multicast_ttl(RtpSession *session, int ttl)
 					 (SOCKET_OPTION_VALUE) &session->multicast_ttl, sizeof(session->multicast_ttl));
 
         } break;
-
+#endif
         default:
             retval=-1;
     }
@@ -394,7 +394,7 @@ int rtp_session_set_multicast_loopback(RtpSession *session, int yesno)
 						 (SOCKET_OPTION_VALUE)   &session->multicast_loopback, sizeof(session->multicast_loopback));
 
  		} break;
-
+#ifdef ORTP_INET6
         case AF_INET6: {
 
 			retval= setsockopt(session->rtp.socket, IPPROTO_IPV6, IPV6_MULTICAST_LOOP, 
@@ -406,7 +406,7 @@ int rtp_session_set_multicast_loopback(RtpSession *session, int yesno)
 				 (SOCKET_OPTION_VALUE)	&session->multicast_loopback, sizeof(session->multicast_loopback));
 
         } break;
-
+#endif
         default:
             retval=-1;
     }