diff -u b/sharemessage.install b/sharemessage.install
--- b/sharemessage.install
+++ b/sharemessage.install
@@ -52,7 +52,11 @@
   $requirements = [];
 
   if ($phase == 'runtime') {
-    $has_social_share = is_file('libraries/socialshareprivacy/jquery.socialshareprivacy.min.js');
+    $directory = '';
+    if (\Drupal::moduleHandler()->moduleExists('libraries')) {
+      $directory = libraries_get_path('socialshareprivacy');
+    };
+    $has_social_share = is_file($directory . '/jquery.socialshareprivacy.min.js');
     $storage = \Drupal::entityTypeManager()->getStorage('sharemessage');
     $result = $storage->getQuery()
       ->condition('plugin', 'socialshareprivacy')