diff --git a/pathauto.module b/pathauto.module
index be085fb..f4a12a7 100644
--- a/pathauto.module
+++ b/pathauto.module
@@ -37,6 +37,16 @@ function pathauto_hook_info() {
 }
 
 /**
+ * Implements hook_boot().
+ *
+ * Empty boot hook to make sure the pathauto module is added to
+ * the list of "bootstrap" modules and module_implements_alter()
+ * is always run. See https://www.drupal.org/node/496170.
+ */
+function pathauto_boot() {
+}
+
+/**
  * Implements hook_module_implements_alter().
  *
  * Adds pathauto support for core modules.