diff --git a/ext/comment/theme.php b/ext/comment/theme.php
index 281bf17c..0b644390 100644
--- a/ext/comment/theme.php
+++ b/ext/comment/theme.php
@@ -36,7 +36,7 @@ class CommentListTheme extends Themelet {
 
 		$h_prev = ($page_number <= 1) ? "Prev" :
 			'<a href="'.make_link('comment/list/'.$prev).'">Prev</a>';
-		$h_index = "<a href='".make_link()."'>Index</a>";
+		$h_index = "<a href='".make_link("comment/list")."'>Index</a>";
 		$h_next = ($page_number >= $total_pages) ? "Next" :
 			'<a href="'.make_link('comment/list/'.$next).'">Next</a>';