diff --git a/src/freedombone-utils-firewall b/src/freedombone-utils-firewall
index c6dea8c0..3ed365b7 100755
--- a/src/freedombone-utils-firewall
+++ b/src/freedombone-utils-firewall
@@ -43,7 +43,7 @@ function global_rate_limit {
     else
         sed -i 's|net.ipv4.tcp_challenge_ack_limit.*|net.ipv4.tcp_challenge_ack_limit = 999999999|g' /etc/sysctl.conf
     fi
-    sysctl -p
+    sysctl -p 2> /dev/null
 }
 
 function enable_ipv6 {