diff --git a/data.php b/data.php
index 7828f9fe..5b4462bb 100644
--- a/data.php
+++ b/data.php
@@ -1,13 +1,13 @@
 <?php
     $log = array();
-    $ipv6 =  parse_ini_file("/etc/pihole/setupVars.conf")['IPv6_address'] != "";
+    $divide =  parse_ini_file("/etc/pihole/setupVars.conf")['IPv6_address'] != "" && parse_ini_file("/etc/pihole/setupVars.conf")['IPv4_address'] != "";
     $hosts = file_exists("/etc/hosts") ? file("/etc/hosts") : array();
     $log = new \SplFileObject('/var/log/pihole.log');
 
     /*******   Public Members ********/
     function getSummaryData() {
-        global $log, $ipv6;
-        $domains_being_blocked = gravityCount() / ($ipv6 ? 2 : 1);
+        global $log, $divide;
+        $domains_being_blocked = gravityCount() / ($divide ? 2 : 1);
 
         $dns_queries_today = count(getDnsQueries($log));