diff --git a/src/Composer/EventDispatcher/EventDispatcher.php b/src/Composer/EventDispatcher/EventDispatcher.php
index 3326b8e31..acc20beda 100644
--- a/src/Composer/EventDispatcher/EventDispatcher.php
+++ b/src/Composer/EventDispatcher/EventDispatcher.php
@@ -194,6 +194,7 @@ class EventDispatcher
                 $return = 0;
                 $this->ensureBinDirIsInPath();
 
+                $formattedEventNameWithArgs = $event->getName() . ($event->getArguments() !== [] ? ' (' . implode(', ', $event->getArguments()) . ')' : '');
                 if (!is_string($callable)) {
                     if (!is_callable($callable)) {
                         $className = is_object($callable[0]) ? get_class($callable[0]) : $callable[0];
@@ -201,11 +202,11 @@ class EventDispatcher
                         throw new \RuntimeException('Subscriber '.$className.'::'.$callable[1].' for event '.$event->getName().' is not callable, make sure the function is defined and public');
                     }
                     if (is_array($callable) && (is_string($callable[0]) || is_object($callable[0])) && is_string($callable[1])) {
-                        $this->io->writeError(sprintf('> %s: %s', $event->getName(), (is_object($callable[0]) ? get_class($callable[0]) : $callable[0]).'->'.$callable[1]), true, IOInterface::VERBOSE);
+                        $this->io->writeError(sprintf('> %s: %s', $formattedEventNameWithArgs, (is_object($callable[0]) ? get_class($callable[0]) : $callable[0]).'->'.$callable[1]), true, IOInterface::VERBOSE);
                     }
                     $return = false === $callable($event) ? 1 : 0;
                 } elseif ($this->isComposerScript($callable)) {
-                    $this->io->writeError(sprintf('> %s: %s', $event->getName(), $callable), true, IOInterface::VERBOSE);
+                    $this->io->writeError(sprintf('> %s: %s', $formattedEventNameWithArgs, $callable), true, IOInterface::VERBOSE);
 
                     $script = explode(' ', substr($callable, 1));
                     $scriptName = $script[0];