diff --git a/mailchimp.install b/mailchimp.install
index ed82788..a7c0e1e 100644
--- a/mailchimp.install
+++ b/mailchimp.install
@@ -26,7 +26,8 @@ function mailchimp_requirements($phase) {
 
   // Report Drupal version
   if ($phase == 'runtime') {
-    if (libraries_detect('mailchimp')) {
+    $library = libraries_detect('mailchimp');
+    if (!$library['installed']) {
       $requirements['mailchimp'] = array(
         'title' => $t('MailChimp'),
         'value' => t('Not installed'),