diff --git a/shib_auth.module b/shib_auth.module
index 074afb8..4f3408b 100644
--- a/shib_auth.module
+++ b/shib_auth.module
@@ -1059,7 +1059,8 @@ function shib_auth_block_info() {
     'status'     => 1,
     'visibility' => BLOCK_VISIBILITY_NOTLISTED,
     'weight'     => 0,
-    'region'     => 'sidebar_first'
+    'region'     => 'sidebar_first',
+    'cache'      => DRUPAL_CACHE_PER_PAGE,
   );
   return $blocks;
 } //function shib_auth_block_info