diff --git a/wp-admin/load-styles.php b/wp-admin/load-styles.php
index c51355d720..75e655c4d4 100644
--- a/wp-admin/load-styles.php
+++ b/wp-admin/load-styles.php
@@ -126,7 +126,9 @@ foreach( $load as $handle ) {
 
 	if ( strpos( $style->src, '/wp-includes/css/' ) === 0 ) {
 		$content = str_replace( '../images/', '../wp-includes/images/', $content );
-		$out .= str_replace( '../js/tinymce/', '../wp-includes/js/tinymce/', $content );
+		$content = str_replace( '../js/tinymce/', '../wp-includes/js/tinymce/', $content );
+		$content = str_replace( '../fonts/', '../wp-includes/fonts/', $content );
+		$out .= $content;
 	} else {
 		$out .= str_replace( '../images/', 'images/', $content );
 	}