1 files changed, 3 insertions, 2 deletions
diff --git a/modules/gallery/libraries/Theme_View.php b/modules/gallery/libraries/Theme_View.php
index 13e58004..389eace6 100644
--- a/modules/gallery/libraries/Theme_View.php
+++ b/modules/gallery/libraries/Theme_View.php
@@ -54,13 +54,14 @@ class Theme_View_Core extends Gallery_View {
 
   /**
    * Proportion of the current thumb_size's to default
+   * @param object Item_Model (optional) check the proportions for this item
    * @return int
    */
-  public function thumb_proportion($item) {
+  public function thumb_proportion($item=null) {
     // By default we have a globally fixed thumbnail size In core code, we just return a fixed
     // proportion based on the global thumbnail size, but since modules can override that, we
     // return the actual proportions when we have them.
-    if ($item->has_thumb()) {
+    if ($item && $item->has_thumb()) {
       return max($item->thumb_width, $item->thumb_height) / 200;
     } else {
       // @TODO change the 200 to a theme supplied value when and if we come up with an