diff --git a/gmap_location.module b/gmap_location.module
index bb9da586e9cc655c2f3c1346a8789032a17213ac..f8bb23052d5d316e7922cff1da9db638ffbc9a04 100644
--- a/gmap_location.module
+++ b/gmap_location.module
@@ -715,7 +715,7 @@ function gmap_location_author_block_view($nid) {
   $node = node_load($nid);
   if (in_array($node->type, variable_get('gmap_location_author_block_types', array()))) {
     $markername = variable_get('gmap_location_author_block_marker', 'drupal');
-    $author = user_load($node->uid);
+    $author = user_load(array('uid' => $node->uid));
     $markers = array();
     $count = 0;
     foreach ($author->locations as $loc) {