Index: wp-admin/includes/post.php
===================================================================
--- wp-admin/includes/post.php	(revision 15287)
+++ wp-admin/includes/post.php	(working copy)
@@ -1090,8 +1090,11 @@
 
 	if ( false === strpos($permalink, '%postname%') && false === strpos($permalink, '%pagename%') ) {
 		$return = '<strong>' . __('Permalink:') . "</strong>\n" . '<span id="sample-permalink">' . $permalink . "</span>\n";
-		if ( current_user_can( 'manage_options' ) && !( 'page' == get_option('show_on_front') && $id == get_option('page_on_front') ) )
-			$return .= '<span id="change-permalinks"><a href="options-permalink.php" class="button" target="_blank">' . __('Change Permalinks') . "</a></span>\n";
+		if ( ! get_option( 'permalink_structure' ) ) {
+			if ( current_user_can( 'manage_options' ) && !( 'page' == get_option( 'show_on_front' ) && $id == get_option( 'page_on_front' ) ) ) {
+				$return .= '<span id="change-permalinks"><a href="options-permalink.php" class="button" target="_blank">' . __('Change Permalinks') . "</a></span>\n";
+			}
+		}
 		if ( isset($view_post) )
 			$return .= "<span id='view-post-btn'><a href='$permalink' class='button' target='_blank'>$view_post</a></span>\n";