diff --git a/vpnsetup.sh b/vpnsetup.sh
index d7d9ed2..255d1c8 100755
--- a/vpnsetup.sh
+++ b/vpnsetup.sh
@@ -145,7 +145,7 @@ apt-get -yq update || exiterr "'apt-get update' failed."
 bigecho "Installing packages required for setup..."
 
 apt-get -yq install wget dnsutils openssl \
-  iproute2 gawk grep sed net-tools || exiterr2
+  iptables iproute2 gawk grep sed net-tools || exiterr2
 
 bigecho "Trying to auto discover IP of this server..."
 
diff --git a/vpnsetup_centos.sh b/vpnsetup_centos.sh
index cd7b68a..c3f5b04 100755
--- a/vpnsetup_centos.sh
+++ b/vpnsetup_centos.sh
@@ -120,7 +120,7 @@ cd /opt/src || exiterr "Cannot enter /opt/src."
 bigecho "Installing packages required for setup..."
 
 yum -y install wget bind-utils openssl \
-  iproute gawk grep sed net-tools || exiterr2
+  iptables iproute gawk grep sed net-tools || exiterr2
 
 bigecho "Trying to auto discover IP of this server..."