Index: wp-includes/category-template.php
===================================================================
--- wp-includes/category-template.php	(revision 10476)
+++ wp-includes/category-template.php	(working copy)
@@ -587,8 +587,8 @@
 
 	if ( 'array' == $args['format'] )
 		return $return;
-
-	echo $return;
+	else
+		echo $return;
 }
 
 /**