diff --git a/islandora.module b/islandora.module
index a300e0d7..1a6f33ca 100644
--- a/islandora.module
+++ b/islandora.module
@@ -216,8 +216,8 @@ function islandora_admin_paths() {
  *
  *  @return boolean 
  */
-function islandora_access_callback($pid = NULL, $perm = NULL) {
-  if(!$pid || !$perm) {
+function islandora_access_callback($object = NULL, $perm = NULL) {
+  if(!$object || !$perm) {
     return FALSE;
   }
 
@@ -227,7 +227,7 @@ function islandora_access_callback($pid = NULL, $perm = NULL) {
     $namespace_access = TRUE;
   }
   else {
-    $pid_namespace = substr($pid, 0, strpos($pid, ':') + 1); //Get the namespace (with colon)
+    $pid_namespace = substr($object->id, 0, strpos($object->id, ':') + 1); //Get the namespace (with colon)
     $allowed_namespaces = explode(" ", variable_get('islandora_pids_allowed', 'default: demo: changeme: islandora: ilives: islandora-book: books: newspapers: '));
     $namespace_access = in_array($pid_namespace, $allowed_namespaces);
   }