diff --git a/html/data.php b/html/data.php
index 6545c45b82..42f776ca59 100644
--- a/html/data.php
+++ b/html/data.php
@@ -19,8 +19,8 @@ require_once '../includes/definitions.inc.php';
 // initialize the class loader and add custom mappings
 require_once $config['install_dir'] . '/LibreNMS/ClassLoader.php';
 $classLoader = new LibreNMS\ClassLoader();
-$classLoader->mapClass('Console_Color2', $config['install_dir'] . '/includes/console_colour.php');
-$classLoader->mapClass('PasswordHash', $config['install_dir'] . '/html/lib/PasswordHash.php');
+$classLoader->registerClass('Console_Color2', $config['install_dir'] . '/includes/console_colour.php');
+$classLoader->registerClass('PasswordHash', $config['install_dir'] . '/html/lib/PasswordHash.php');
 $classLoader->register();
 
 require_once '../includes/common.php';
diff --git a/html/graph-realtime.php b/html/graph-realtime.php
index 6834ab540b..311603fb0b 100644
--- a/html/graph-realtime.php
+++ b/html/graph-realtime.php
@@ -20,8 +20,8 @@ require_once '../includes/definitions.inc.php';
 // initialize the class loader and add custom mappings
 require_once $config['install_dir'] . '/LibreNMS/ClassLoader.php';
 $classLoader = new LibreNMS\ClassLoader();
-$classLoader->mapClass('Console_Color2', $config['install_dir'] . '/includes/console_colour.php');
-$classLoader->mapClass('PasswordHash', $config['install_dir'] . '/html/lib/PasswordHash.php');
+$classLoader->registerClass('Console_Color2', $config['install_dir'] . '/includes/console_colour.php');
+$classLoader->registerClass('PasswordHash', $config['install_dir'] . '/html/lib/PasswordHash.php');
 $classLoader->register();
 
 require_once '../includes/common.php';