diff --git a/nodogsplash/files/nodogsplash.init b/nodogsplash/files/nodogsplash.init
index 424058e..0712fa9 100755
--- a/nodogsplash/files/nodogsplash.init
+++ b/nodogsplash/files/nodogsplash.init
@@ -30,11 +30,11 @@ nolog() {
   logger -s -t nodogsplash -p daemon.$level $@
 }
 
-# append_config_option <cfgfile> <uci_cfg_obj> <option_name> <config_counterpart> [<optional default>]
+# append_config_option_map <cfgfile> <uci_cfg_obj> <option_name> <config_counterpart> [<optional default>]
 # append "$config_counterpart $value" to cfgfile if option_name exists
 # e.g. append_config_option "$CONFIGFILE" "$cfg" bind_address BindAddress 0.0.0.0
 # will append "BindAddress 192.168.1.1" if uci bind_address is '192.168.1.1'
-append_config_option() {
+append_config_option_map() {
   local val=""
   local config_file="$1"
   local cfg="$2"
@@ -45,6 +45,21 @@ append_config_option() {
   [ -n "$val" ] && echo "$config_counterpart $val" >> $config_file
 }
 
+# append_config_option <cfgfile> <uci_cfg_obj> <option_name> [<optional default>]
+# append "$option_name $value" to cfgfile if option_name exists
+# e.g. append_config_option "$CONFIGFILE" "$cfg" bind_address 0.0.0.0
+# will append "bind_address 192.168.1.1" if uci bind_address is '192.168.1.1'
+# if uci bind_address is unset append "bind_address 0.0.0.0"
+append_config_option() {
+  local val=""
+  local config_file="$1"
+  local cfg="$2"
+  local option_name="$3"
+  local default="$4"
+  config_get val "$cfg" "$option_name" "$default"
+  [ -n "$val" ] && echo "$option_name $val" >> $config_file
+}
+
 setup_user_authentication() {
   local cfg="$1"
   local val
@@ -168,42 +183,42 @@ generate_uci_config() {
 
   echo "GatewayInterface $ifname" >> $CONFIGFILE
 
-  append_config_option "$CONFIGFILE" "$cfg" gatewayname GatewayName
-  append_config_option "$CONFIGFILE" "$cfg" gatewayaddress GatewayAddress
-  append_config_option "$CONFIGFILE" "$cfg" gatewayport GatewayPort
-  append_config_option "$CONFIGFILE" "$cfg" maxclients MaxClients
-  append_config_option "$CONFIGFILE" "$cfg" webroot webroot
-  append_config_option "$CONFIGFILE" "$cfg" debuglevel debuglevel
-  append_config_option "$CONFIGFILE" "$cfg" splashpage splashpage
-  append_config_option "$CONFIGFILE" "$cfg" pagesdir pagesdir
-  append_config_option "$CONFIGFILE" "$cfg" checkinterval checkinterval
-  append_config_option "$CONFIGFILE" "$cfg" syslogfacility syslogfacility
-  append_config_option "$CONFIGFILE" "$cfg" gatewayiprange gatewayiprange
-  append_config_option "$CONFIGFILE" "$cfg" imagedir ImagesDir
-  append_config_option "$CONFIGFILE" "$cfg" redirecturl RedirectURL
-  append_config_option "$CONFIGFILE" "$cfg" clientidletimeout ClientIdleTimeout
-  append_config_option "$CONFIGFILE" "$cfg" clientforcetimeout ClientForceTimeout
-  append_config_option "$CONFIGFILE" "$cfg" gatewayiprange GatewayIPRange
-  append_config_option "$CONFIGFILE" "$cfg" passwordattempts PasswordAttempts
-  append_config_option "$CONFIGFILE" "$cfg" macmechanism MACMechanism
-  append_config_option "$CONFIGFILE" "$cfg" uploadlimit UploadLimit
-  append_config_option "$CONFIGFILE" "$cfg" downloadlimit DownloadLimit
-  append_config_option "$CONFIGFILE" "$cfg" remoteauthenticatoraction remoteauthenticatoraction
-  append_config_option "$CONFIGFILE" "$cfg" enablepreauth enablepreauth
-  append_config_option "$CONFIGFILE" "$cfg" binvoucher binvoucher
-  append_config_option "$CONFIGFILE" "$cfg" forcevoucher forcevoucher
-  append_config_option "$CONFIGFILE" "$cfg" passwordauthentication passwordauthentication
-  append_config_option "$CONFIGFILE" "$cfg" usernameauthentication usernameauthentication
-  append_config_option "$CONFIGFILE" "$cfg" passwordattempts passwordattempts
-  append_config_option "$CONFIGFILE" "$cfg" username username
-  append_config_option "$CONFIGFILE" "$cfg" password password
-  append_config_option "$CONFIGFILE" "$cfg" authenticateimmediately authenticateimmediately
-  append_config_option "$CONFIGFILE" "$cfg" decongesthttpdthreads decongesthttpdthreads
-  append_config_option "$CONFIGFILE" "$cfg" httpdthreadthreshold httpdthreadthreshold
-  append_config_option "$CONFIGFILE" "$cfg" httpdthreaddelayms httpdthreaddelayms
-  append_config_option "$CONFIGFILE" "$cfg" fw_mark_authenticated fw_mark_authenticated
-  append_config_option "$CONFIGFILE" "$cfg" fw_mark_trusted fw_mark_trusted
-  append_config_option "$CONFIGFILE" "$cfg" fw_mark_blocked fw_mark_blocked
+  append_config_option "$CONFIGFILE" "$cfg" gatewayname
+  append_config_option "$CONFIGFILE" "$cfg" gatewayaddress
+  append_config_option "$CONFIGFILE" "$cfg" gatewayport
+  append_config_option "$CONFIGFILE" "$cfg" maxclients
+  append_config_option "$CONFIGFILE" "$cfg" webroot
+  append_config_option "$CONFIGFILE" "$cfg" debuglevel
+  append_config_option "$CONFIGFILE" "$cfg" splashpage
+  append_config_option "$CONFIGFILE" "$cfg" pagesdir
+  append_config_option "$CONFIGFILE" "$cfg" checkinterval
+  append_config_option "$CONFIGFILE" "$cfg" syslogfacility
+  append_config_option "$CONFIGFILE" "$cfg" gatewayiprange
+  append_config_option "$CONFIGFILE" "$cfg" imagedir
+  append_config_option "$CONFIGFILE" "$cfg" redirecturl
+  append_config_option "$CONFIGFILE" "$cfg" clientidletimeout
+  append_config_option "$CONFIGFILE" "$cfg" clientforcetimeout
+  append_config_option "$CONFIGFILE" "$cfg" gatewayiprange
+  append_config_option "$CONFIGFILE" "$cfg" passwordattempts
+  append_config_option "$CONFIGFILE" "$cfg" macmechanism
+  append_config_option "$CONFIGFILE" "$cfg" uploadlimit
+  append_config_option "$CONFIGFILE" "$cfg" downloadlimit
+  append_config_option "$CONFIGFILE" "$cfg" remoteauthenticatoraction
+  append_config_option "$CONFIGFILE" "$cfg" enablepreauth
+  append_config_option "$CONFIGFILE" "$cfg" binvoucher
+  append_config_option "$CONFIGFILE" "$cfg" forcevoucher
+  append_config_option "$CONFIGFILE" "$cfg" passwordauthentication
+  append_config_option "$CONFIGFILE" "$cfg" usernameauthentication
+  append_config_option "$CONFIGFILE" "$cfg" passwordattempts
+  append_config_option "$CONFIGFILE" "$cfg" username
+  append_config_option "$CONFIGFILE" "$cfg" password
+  append_config_option "$CONFIGFILE" "$cfg" authenticateimmediately
+  append_config_option "$CONFIGFILE" "$cfg" decongesthttpdthreads
+  append_config_option "$CONFIGFILE" "$cfg" httpdthreadthreshold
+  append_config_option "$CONFIGFILE" "$cfg" httpdthreaddelayms
+  append_config_option "$CONFIGFILE" "$cfg" fw_mark_authenticated
+  append_config_option "$CONFIGFILE" "$cfg" fw_mark_trusted
+  append_config_option "$CONFIGFILE" "$cfg" fw_mark_blocked
 
   config_get download "$cfg" downloadlimit
   config_get upload "$cfg" uploadlimit