diff --git a/modules/taxonomy/views_plugin_argument_default_taxonomy_tid.inc b/modules/taxonomy/views_plugin_argument_default_taxonomy_tid.inc
index f85270b..f405a70 100644
--- a/modules/taxonomy/views_plugin_argument_default_taxonomy_tid.inc
+++ b/modules/taxonomy/views_plugin_argument_default_taxonomy_tid.inc
@@ -143,7 +143,7 @@ class views_plugin_argument_default_taxonomy_tid extends views_plugin_argument_d
     // If the current page is a view that takes tid as an argument,
     // find the tid argument and return it.
     $views_page = views_get_page_view();
-    if ($views_page && isset($views_page->view->argument['tid'])) {
+    if ($views_page && isset($views_page->argument['tid'])) {
       return $views_page->view->argument['tid']->argument;
     }
   }
diff --git a/modules/user/views_plugin_argument_default_user.inc b/modules/user/views_plugin_argument_default_user.inc
index a2e1b4a..6189717 100644
--- a/modules/user/views_plugin_argument_default_user.inc
+++ b/modules/user/views_plugin_argument_default_user.inc
@@ -69,7 +69,7 @@ class views_plugin_argument_default_user extends views_plugin_argument_default {
     // If the current page is a view that takes uid as an argument, return the uid.
     $views_page = views_get_page_view();
 
-    if ($views_page && isset($views_page->view->argument['uid'])) {
+    if ($views_page && isset($views_page->argument['uid'])) {
       return $views_page->view->argument['uid']->argument;
     }
   }