diff --git a/3.0/modules/themeroller/data/views/page.html.php b/3.0/modules/themeroller/data/views/page.html.php
index 06851344..bad0e560 100644
--- a/3.0/modules/themeroller/data/views/page.html.php
+++ b/3.0/modules/themeroller/data/views/page.html.php
@@ -24,7 +24,7 @@
" />
if ($theme->page_type == "collection"): ?>
- if ($thumb_proportion != 1): ?>
+ if (($thumb_proportion = $theme->thumb_proportion($theme->item())) != 1): ?>
$new_width = round($thumb_proportion * 213) ?>
$new_height = round($thumb_proportion * 240) ?>