diff --git a/includes/object_properties.form.inc b/includes/object_properties.form.inc
index 7a6dfa15..154b453e 100644
--- a/includes/object_properties.form.inc
+++ b/includes/object_properties.form.inc
@@ -118,7 +118,7 @@ function islandora_object_properties_form_submit(array $form, array &$form_state
   }
   else {
     // Confirm if user is about to lock themselves out of this object.
-    if (in_array($form_state['values']['object_state'], ['I','D'])) {
+    if (in_array($form_state['values']['object_state'], array('I','D'))) {
       if ($form_state['object']->state == 'A') {
         if (!user_access(ISLANDORA_ACCESS_INACTIVE_AND_DELETED_OBJECTS)) {
           $form_state['islandora']['needs_confirmation'] = TRUE;