diff --git c/fb_social.install i/fb_social.install
index 6d492f8..c7e8094 100644
--- c/fb_social.install
+++ i/fb_social.install
@@ -5,6 +5,29 @@
  */
 
 /**
+ * Implements hook_requirements().
+ */
+function fb_social_requirements($phase) {
+  $requirements = array();
+  $t = get_t();
+  $openssl_enabled = extension_loaded('openssl');
+
+  $requirements['fb_social_openssl'] = array(
+    'title' => $t('OpenSSL'),
+    'value' => $openssl_enabled ? $t('OpenSSL extension enabled.') : $t('OpenSSL extension not enabled.'),
+  );
+
+  if (!$openssl_enabled) {
+    $requirements['fb_social_openssl'] += array(
+      'severity' => REQUIREMENT_WARNING,
+      'description' => $t("Facebook Social presets require the PHP OpenSSL extension to be loaded."),
+    );
+  }
+
+  return $requirements;
+}
+
+/**
  * Implements hook_install().
  */
 function fb_social_install() {