Needs mw- prefix.

diff --git a/includes/OutputPage.php b/includes/OutputPage.php
index 25a7180..71eb8a4 100644 (file)
--- a/includes/OutputPage.php
+++ b/includes/OutputPage.php
@@ -1252,7 +1252,7 @@ class OutputPage {
                        // Wiki is read only
                        $this->setPageTitle( wfMsg( 'readonly' ) );
                        $reason = wfReadOnlyReason();
-                       $wgOut->wrapWikiMsg( '<div class="readonly-error">$1</div>', 'readonlytext' );
+                       $wgOut->wrapWikiMsg( '<div class="mw-readonly-error">$1</div>', 'readonlytext' );
                }
 
                // Show source, if supplied