diff --git a/Lib/Runner.php b/Lib/Runner.php
index 2c0fd6b..d54e9ff 100644
--- a/Lib/Runner.php
+++ b/Lib/Runner.php
@@ -105,9 +105,10 @@ private function showScanReport(array $map, array $scanResult): int
         }
 
         $this->output(PHP_EOL . 'Unused dependencies found!' . PHP_EOL);
-        array_walk($result, static function ($packageName) {
-            echo ' -' . $packageName . PHP_EOL;
-        });
+        array_walk($result,
+            function($packageName) {
+                $this->output(' -' . $packageName . PHP_EOL);
+            });
         return self::HAS_UNUSED_CODE;
     }