Index: wp-includes/post-template.php
===================================================================
--- wp-includes/post-template.php	(revision 25273)
+++ wp-includes/post-template.php	(working copy)
@@ -667,7 +667,7 @@
 		} elseif ( $more ) {
 			$output .= $before;
 			$i = $page - 1;
-			if ( $i ) {
+			if ( $i > 0 ) {
 				$link = _wp_link_page( $i ) . $link_before . $previouspagelink . $link_after . '</a>';
 				$link = apply_filters( 'wp_link_pages_link', $link, $i );
 				$output .= $separator . $link;