diff --git a/purl.module b/purl.module
index 955b989..fc7ef13 100644
--- a/purl.module
+++ b/purl.module
@@ -907,8 +907,10 @@ function purl_get_processor($method) {
  * @return true if processing should be skipped, false otherwise.
  */
 function _purl_skip($e, $o) {
-  if (!empty($o['purl']['disabled'])) {
-    return true;
+  if (isset($o['purl'])) {
+    if (!empty($o['purl']['disabled']) || $o['purl'] == 'disabled') {
+      return true;
+    }
   }
   if (isset($o['purl']['remove'])) {
     return in_array($e->provider, $o['purl']['remove']);