diff --git a/src/Composer/Command/DumpAutoloadCommand.php b/src/Composer/Command/DumpAutoloadCommand.php
index 7410138ef..6c79ef13f 100644
--- a/src/Composer/Command/DumpAutoloadCommand.php
+++ b/src/Composer/Command/DumpAutoloadCommand.php
@@ -59,7 +59,9 @@ EOT
$authoritative = $input->getOption('classmap-authoritative') || $config->get('classmap-authoritative');
$apcu = $input->getOption('apcu') || $config->get('apcu-autoloader');
- if ($optimize || $authoritative) {
+ if ($authoritative) {
+ $this->getIO()->writeError('Generating optimized autoload files (authoritative)');
+ } elseif ($optimize) {
$this->getIO()->writeError('Generating optimized autoload files');
} else {
$this->getIO()->writeError('Generating autoload files');