diff --git a/wp-admin/edit-comments.php b/wp-admin/edit-comments.php
index d09ac8d405..2c9e4a8ec8 100644
--- a/wp-admin/edit-comments.php
+++ b/wp-admin/edit-comments.php
@@ -76,7 +76,7 @@ if ( !empty( $_POST['delete_comments'] ) ) :
 endif;
 
 if ( isset( $_GET['apage'] ) )
-	$page = (int) $_GET['apage'];
+	$page = abs( (int) $_GET['apage'] );
 else
 	$page = 1;
 
diff --git a/wp-admin/includes/template.php b/wp-admin/includes/template.php
index 9eb9f0bc51..bed697c797 100644
--- a/wp-admin/includes/template.php
+++ b/wp-admin/includes/template.php
@@ -233,7 +233,7 @@ function user_row( $user_object, $style = '' ) {
 function _wp_get_comment_list( $s = false, $start, $num ) {
 	global $wpdb;
 
-	$start = (int) $start;
+	$start = abs( (int) $start );
 	$num = (int) $num;
 
 	if ( $s ) {