Index: wp-includes/category-template.php
===================================================================
--- wp-includes/category-template.php	(revision 17637)
+++ wp-includes/category-template.php	(working copy)
@@ -226,6 +226,7 @@
  * As of 2.7, the function can be used anywhere if it is provided a post ID or post object.
  *
  * @since 1.2.0
+ * @uses has_category()
  *
  * @param int|string|array $category Category ID, name or slug, or array of said.
  * @param int|object $_post Optional. Post to check instead of the current post. (since 2.7.0)
@@ -235,7 +236,7 @@
 	if ( empty( $category ) )
 		return false;
 
-	return has_term( $category, 'category', $post );
+	return has_category( $category, $post );
 }
 
 /**