diff --git a/install_portmaster.sh b/install_portmaster.sh
index ef22af4..61c8ea4 100755
--- a/install_portmaster.sh
+++ b/install_portmaster.sh
@@ -7,4 +7,5 @@ cd /tmp
 wget -O portmaster-installer.deb https://updates.safing.io/latest/linux_amd64/packages/portmaster-installer.deb;
 sudo dpkg -i portmaster-installer.deb;
 sudo apt-get install -f -y;
-rm portmaster-installer.deb
\ No newline at end of file
+rm portmaster-installer.deb
+sudo apt install iptables -y
\ No newline at end of file