diff --git a/includes/polling/applications/ss.inc.php b/includes/polling/applications/ss.inc.php
index 34679c4e3d..dad89cf266 100644
--- a/includes/polling/applications/ss.inc.php
+++ b/includes/polling/applications/ss.inc.php
@@ -1,11 +1,12 @@
 <?php
 
-require_once 'includes/ss-shared.inc.php';
-
+use LibreNMS\Config;
 use LibreNMS\Exceptions\JsonAppException;
 use LibreNMS\Exceptions\JsonAppMissingKeysException;
 use LibreNMS\RRD\RrdDefinition;
 
+require_once Config::get('install_dir') . '/includes/ss-shared.inc.php';
+
 $name = 'ss';
 $output_success = 'OK';
 $polling_type = 'app';
diff --git a/includes/polling/applications/systemd.inc.php b/includes/polling/applications/systemd.inc.php
index 776c31be3e..9545bc9c8a 100644
--- a/includes/polling/applications/systemd.inc.php
+++ b/includes/polling/applications/systemd.inc.php
@@ -1,11 +1,12 @@
 <?php
 
-require_once 'includes/systemd-shared.inc.php';
-
+use LibreNMS\Config;
 use LibreNMS\Exceptions\JsonAppException;
 use LibreNMS\Exceptions\JsonAppMissingKeysException;
 use LibreNMS\RRD\RrdDefinition;
 
+require_once Config::get('install_dir') . '/includes/systemd-shared.inc.php';
+
 $name = 'systemd';
 $output = 'OK';
 $polling_type = 'app';