diff --git a/etc/sysctl.conf b/etc/sysctl.conf
index 669bb39523..9c837f8462 100644
--- a/etc/sysctl.conf
+++ b/etc/sysctl.conf
@@ -18,6 +18,6 @@ kern.rndtest.verbose=0
 net.link.bridge.pfil_onlyip=0
 net.link.tap.user_open=1
 # The system will attempt to calculate the bandwidth delay product for each connection and limit the amount of data queued to the network to just the amount required to maintain optimum throughput.
-net.inet.tcp.inflight.enable=3
+net.inet.tcp.inflight.enable=1
 net.inet.ip.portrange.first=1024
 net.inet.ip.intr_queue_maxlen=1000