diff --git a/installation/dhcp.sh b/installation/dhcp.sh
index a8339a9..e55d176 100755
--- a/installation/dhcp.sh
+++ b/installation/dhcp.sh
@@ -10,10 +10,10 @@ subnet 192.168.1.0 netmask 255.255.255.0 { \
     range 192.168.1.10 192.168.1.100; \
     option routers 192.168.1.1; \
     option subnet-mask 255.255.255.0; \
-    option domain-name-servers 8.8.8.8, 8.8.4.4; \
+    option domain-name-servers 192.168.1.1; \
 }"
 
-echo -e 'INTERFACES="enp0s3"' | sudo tee /etc/default/isc-dhcp-server >/dev/null
+echo -e "INTERFACES='$1'" | sudo tee /etc/default/isc-dhcp-server >/dev/null
 
 echo -e "$config" | sudo tee /etc/dhcp/dhcpd.conf >/dev/null