diff --git a/sysctl.conf b/sysctl.conf
index 98c7680..564ecf5 100644
--- a/sysctl.conf
+++ b/sysctl.conf
@@ -182,7 +182,7 @@ net.ipv4.tcp_rfc1337 = 1
 net.ipv4.tcp_window_scaling = 0
 
 # increase system IP port limits
-net.ipv4.ip_local_port_range = 2000 65000
+net.ipv4.ip_local_port_range = 2000 64999
 
 # disable TCP timestamps for better CPU utilization
 net.ipv4.tcp_timestamps = 0