diff --git theme/bootstrap/bootstrap-accordion.func.php theme/bootstrap/bootstrap-accordion.func.php
index a197461..ba660d9 100644
--- theme/bootstrap/bootstrap-accordion.func.php
+++ theme/bootstrap/bootstrap-accordion.func.php
@@ -12,7 +12,7 @@ function bootstrap_bootstrap_accordion($variables) {
   $elements = $variables['elements'];
 
   if (empty($variables['id'])) {
-    $accordion_id = 'accordion-' . md5($elements);
+    $accordion_id = 'accordion-' . hash('sha256', $elements);
   }
   else {
     $accordion_id = check_plain($variables['id']);