diff --git a/distribution/ubuntu/initial_config.sh b/distribution/ubuntu/initial_config.sh
index bde4f32..5f3dc34 100644
--- a/distribution/ubuntu/initial_config.sh
+++ b/distribution/ubuntu/initial_config.sh
@@ -11,4 +11,4 @@ disable_unwanted_extensions
 
 # Enable docker IPv4 forwarding, to allow LXD to work along it :)
 echo "net.ipv4.conf.all.forwarding=1" > /etc/sysctl.d/99-forwarding.conf
-sysctl net.ipv4.conf.all.forwarding=1
+sysctl net.ipv4.conf.all.forwarding=1 >/dev/null 2>&1