diff --git a/samples/net/zperf/overlay-loopback.conf b/samples/net/zperf/overlay-loopback.conf
index ccef9b16e59..a7028350e3d 100644
--- a/samples/net/zperf/overlay-loopback.conf
+++ b/samples/net/zperf/overlay-loopback.conf
@@ -3,6 +3,7 @@ CONFIG_NET_LOOPBACK=y
 CONFIG_NET_LOOPBACK_MTU=1100
 # Enable for testing TX only
 #CONFIG_NET_LOOPBACK_SIMULATE_PACKET_DROP=y
+#CONFIG_NET_ZPERF_UDP_REPORT_RETANSMISSION_COUNT=0
 
 CONFIG_NET_BUF_DATA_SIZE=1100
 # Optimized networking settings for performance