diff --git a/master/datagram_pair.c b/master/datagram_pair.c
index bee13460..656c9e9e 100644
--- a/master/datagram_pair.c
+++ b/master/datagram_pair.c
@@ -185,7 +185,9 @@ uint16_t ec_datagram_pair_process(
             dev_idx++) {
         ec_datagram_t *datagram = &pair->datagrams[dev_idx];
 
+#ifdef EC_RT_SYSLOG
         ec_datagram_output_stats(datagram);
+#endif
 
         if (datagram->state == EC_DATAGRAM_RECEIVED) {
             pair_wc += datagram->working_counter;