diff --git a/openx.module b/openx.module
index e2932e8..cb696d3 100644
--- a/openx.module
+++ b/openx.module
@@ -19,7 +19,8 @@ function openx_block_info() {
   foreach ($zones as $index => $zone) {
     if ($zone['id']) {
       $blocks[$index] = array(
-        'info'    => t('OpenX Zone !id (!name)', array('!id' => $zone['id'], '!name' => (empty($zone['name']) ? t('untitled') : $zone['name']))),
+        'info'    => t('OpenX Zone !id (!name)', array('!id' => $zone['id'], '!name' => (empty($zone['name']) ? t('untitled') : $zone['name']))),
+        'cache'   => DRUPAL_NO_CACHE,
       );
     }
   }