diff --git a/fe_paths.module b/fe_paths.module
index efd80b3..d07923f 100644
--- a/fe_paths.module
+++ b/fe_paths.module
@@ -145,7 +145,7 @@ function fe_paths_entity_presave($entity, $type) {
     // Get all fields of the saved entity.
     $bundle = NULL;
 
-    if (isset($entity_info['entity keys']['bundle'])) {
+    if (isset($entity_info['entity keys']['bundle']) && isset($entity->{$entity_info['entity keys']['bundle']})) {
       $bundle = $entity->{$entity_info['entity keys']['bundle']};
     }
     else {