diff --git a/scripts/pi-hole/php/add.php b/scripts/pi-hole/php/add.php
index 11468e70..593bdfbf 100644
--- a/scripts/pi-hole/php/add.php
+++ b/scripts/pi-hole/php/add.php
@@ -34,27 +34,27 @@ $db = SQLite3_connect($GRAVITYDB, SQLITE3_OPEN_READWRITE);
 
 switch($list) {
 	case "white":
-		echo add_to_table($db, "domainlist", $domains, $comment, false, false, 0);
+		echo add_to_table($db, "domainlist", $domains, $comment, false, false, ListType::whitelist);
 		break;
 
 	case "black":
-		echo add_to_table($db, "domainlist", $domains, $comment, false, false, 1);
+		echo add_to_table($db, "domainlist", $domains, $comment, false, false, ListType::blacklist);
 		break;
 
 	case "white_regex":
-		echo add_to_table($db, "domainlist", $domains, $comment, false, false, 2);
+		echo add_to_table($db, "domainlist", $domains, $comment, false, false, ListType::regex_whitelist);
 		break;
 
 	case "white_wild":
-		echo add_to_table($db, "domainlist", $domains, $comment, true, false, 2);
+		echo add_to_table($db, "domainlist", $domains, $comment, true, false, ListType::regex_whitelist);
 		break;
 
 	case "black_regex":
-		echo add_to_table($db, "domainlist", $domains, $comment, false, false, 3);
+		echo add_to_table($db, "domainlist", $domains, $comment, false, false, ListType::regex_blacklist);
 		break;
 
 	case "black_wild":
-		echo add_to_table($db, "domainlist", $domains, $comment, true, false, 3);
+		echo add_to_table($db, "domainlist", $domains, $comment, true, false, ListType::regex_blacklist);
 		break;
 
 	case "audit":
diff --git a/scripts/pi-hole/php/database.php b/scripts/pi-hole/php/database.php
index 819d6769..060ce6fd 100644
--- a/scripts/pi-hole/php/database.php
+++ b/scripts/pi-hole/php/database.php
@@ -285,4 +285,9 @@ function remove_from_table($db, $table, $domains, $returnnum=false, $type=-1)
 	}
 }
 
-?>
+class ListType{
+	const whitelist = 0;
+	const blacklist = 1;
+	const regex_whitelist = 2;
+	const regex_blacklist = 3;
+}
diff --git a/scripts/pi-hole/php/get.php b/scripts/pi-hole/php/get.php
index 29a30cae..f47f2c84 100644
--- a/scripts/pi-hole/php/get.php
+++ b/scripts/pi-hole/php/get.php
@@ -55,14 +55,14 @@ function filterArray(&$inArray) {
 switch ($listtype)
 {
 	case "white":
-		$exact = array("whitelist" => getTableContent(0));
-		$regex = array("regex_whitelist" => getTableContent(2));
+		$exact = array("whitelist" => getTableContent(ListType::whitelist));
+		$regex = array("regex_whitelist" => getTableContent(ListType::regex_whitelist));
 		$list  = array_merge($exact, $regex);
 		break;
 
 	case "black":
-		$exact = array("blacklist" => getTableContent(1));
-		$regex = array("regex_blacklist" => getTableContent(3));
+		$exact = array("blacklist" => getTableContent(ListType::blacklist));
+		$regex = array("regex_blacklist" => getTableContent(ListType::regex_blacklist));
 		$list  = array_merge($exact, $regex);
 		break;
 
diff --git a/scripts/pi-hole/php/sub.php b/scripts/pi-hole/php/sub.php
index 764ae6c7..cdee3ceb 100644
--- a/scripts/pi-hole/php/sub.php
+++ b/scripts/pi-hole/php/sub.php
@@ -27,19 +27,19 @@ $db = SQLite3_connect($GRAVITYDB, SQLITE3_OPEN_READWRITE);
 
 switch($type) {
 	case "white":
-		echo remove_from_table($db, "domainlist", $domains, false, 0);
+		echo remove_from_table($db, "domainlist", $domains, false, ListType::whitelist);
 		break;
 
 	case "black":
-		echo remove_from_table($db, "domainlist", $domains, false, 1);
+		echo remove_from_table($db, "domainlist", $domains, false, ListType::blacklist);
 		break;
 
 	case "white_regex":
-		echo remove_from_table($db, "domainlist", $domains, false, 2);
+		echo remove_from_table($db, "domainlist", $domains, false, ListType::regex_whitelist);
 		break;
 
 	case "black_regex":
-		echo remove_from_table($db, "domainlist", $domains, false, 3);
+		echo remove_from_table($db, "domainlist", $domains, false, ListType::regex_blacklist);
 		break;
 
 	default:
diff --git a/scripts/pi-hole/php/teleporter.php b/scripts/pi-hole/php/teleporter.php
index c2b8e1f3..2ddbca6c 100644
--- a/scripts/pi-hole/php/teleporter.php
+++ b/scripts/pi-hole/php/teleporter.php
@@ -365,10 +365,10 @@ else
 		exit("cannot open/create ".htmlentities($archive_file_name)."<br>\nPHP user: ".exec('whoami')."\n");
 	}
 
-	archive_add_table("whitelist.exact.json", "domainlist");
-	archive_add_table("whitelist.regex.json", "domainlist");
-	archive_add_table("blacklist.exact.json", "domainlist");
-	archive_add_table("blacklist.regex.json", "domainlist");
+	archive_add_table("whitelist.exact.json", "domainlist", ListType::whitelist);
+	archive_add_table("whitelist.regex.json", "domainlist", ListType::regex_whitelist);
+	archive_add_table("blacklist.exact.json", "domainlist", ListType::blacklist);
+	archive_add_table("blacklist.regex.json", "domainlist", ListType::regex_blacklist);
 	archive_add_table("adlist.json", "adlist");
 	archive_add_table("domain_audit.json", "domain_audit");
 	archive_add_file("/etc/pihole/","setupVars.conf");