diff --git a/scripts/pi-hole/php/func.php b/scripts/pi-hole/php/func.php
index edd0cbcb..fb9cda82 100644
--- a/scripts/pi-hole/php/func.php
+++ b/scripts/pi-hole/php/func.php
@@ -45,10 +45,10 @@ if(!function_exists('hash_equals')) {
    }
 }
 
-function add_regex($regex)
+function add_regex($regex, $mode=FILE_APPEND, $append="\n")
 {
     global $regexfile;
-    if(file_put_contents($regexfile, "\n".$regex, FILE_APPEND) === FALSE)
+    if(file_put_contents($regexfile, $append.$regex, $mode) === FALSE)
     {
         $err = error_get_last()["message"];
         echo "Unable to add regex \"".htmlspecialchars($regex)."\" to ${regexfile}<br>Error message: $err";
diff --git a/scripts/pi-hole/php/teleporter.php b/scripts/pi-hole/php/teleporter.php
index 380eb613..dbdb637d 100644
--- a/scripts/pi-hole/php/teleporter.php
+++ b/scripts/pi-hole/php/teleporter.php
@@ -113,6 +113,7 @@ if(isset($_POST["action"]))
 				exec("sudo pihole -b -q -nr ".implode(" ", $blacklist));
 				$importedsomething = true;
 			}
+
 			if(isset($_POST["whitelist"]) && $file->getFilename() === "whitelist.txt")
 			{
 				$whitelist = process_file(file_get_contents($file));
@@ -124,10 +125,11 @@ if(isset($_POST["action"]))
 
 			if(isset($_POST["regexlist"]) && $file->getFilename() === "regex.list")
 			{
-				$regexlist = process_file(file_get_contents($file),false);
+				$regexraw = file_get_contents($file);
+				$regexlist = process_file($regexraw,false);
 				echo "Processing regex.list (".count($regexlist)." entries)<br>\n";
-				exec("sudo pihole --regex -nr --nuke");
-				exec("sudo pihole --regex -q -nr ".implode(" ", $regexlist));
+				// NULL = overwrite (or create) the regex filter file
+				add_regex($regexraw, NULL,"");
 				$importedsomething = true;
 			}