diff --git a/wp-admin/themes.php b/wp-admin/themes.php
index 5ff2d35075..0d2f653a42 100644
--- a/wp-admin/themes.php
+++ b/wp-admin/themes.php
@@ -166,6 +166,7 @@ $style = '';
 $theme_names = array_keys($themes);
 natcasesort($theme_names);
 
+$table = array();
 $rows = ceil(count($theme_names) / 3);
 for ( $row = 1; $row <= $rows; $row++ )
 	for ( $col = 1; $col <= 3; $col++ )