diff --git a/wp-admin/themes.php b/wp-admin/themes.php
index 3dd60f11a5..447b4e4e27 100644
--- a/wp-admin/themes.php
+++ b/wp-admin/themes.php
@@ -139,7 +139,7 @@ endif;
 $ct = wp_get_theme();
 
 if ( $ct->errors() && ( ! is_multisite() || current_user_can( 'manage_network_themes' ) ) ) {
-	echo '<p class="error-message">' . sprintf( __( 'ERROR: %s' ), $ct->errors()->get_error_message() ) . '</p>';
+	echo '<div class="error"><p>' . sprintf( __( 'ERROR: %s' ), $ct->errors()->get_error_message() ) . '</p></div>';
 }
 
 /*