diff --git a/tests/Issues/MozartIssue109Test.php b/tests/Issues/MozartIssue109Test.php
new file mode 100644
index 00000000..18cd2eb5
--- /dev/null
+++ b/tests/Issues/MozartIssue109Test.php
@@ -0,0 +1,72 @@
+<?php
+/**
+ * nesbot/carbon empty searchNamespace
+ * @see https://github.com/coenjacobs/mozart/issues/109
+ *
+ * Comments were being prefixed.
+ */
+
+namespace BrianHenryIE\Strauss\Tests\Issues;
+
+use BrianHenryIE\Strauss\Console\Commands\Compose;
+use BrianHenryIE\Strauss\Tests\Integration\Util\IntegrationTestCase;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+/**
+ * Class MozartIssue109Test
+ * @package BrianHenryIE\Strauss\Tests\Issues
+ * @coversNothing
+ */
+class MozartIssue109Test extends IntegrationTestCase
+{
+
+    public function testTheOutputDoesNotPrefixComments()
+    {
+
+        $composerJsonString = <<<'EOD'
+{
+  "minimum-stability": "dev",
+  "require": {
+    "nesbot/carbon":"1.39.0"
+  },
+  "require-dev": {
+    "coenjacobs/mozart": "dev-master"
+  },
+  "extra": {
+    "mozart": {
+      "dep_namespace": "Mozart\\",
+      "dep_directory": "/strauss/",
+      "delete_vendor_files": false,
+      "exclude_packages": [
+        "kylekatarnls/update-helper",
+        "symfony/polyfill-intl-idn",
+        "symfony/translation",
+        "symfony/polyfill-mbstring",
+        "symfony/translation-contracts",
+        "composer-plugin-api"
+      ]
+    }
+  }
+}
+EOD;
+
+        file_put_contents($this->testsWorkingDir . '/composer.json', $composerJsonString);
+
+        chdir($this->testsWorkingDir);
+
+        exec('composer install');
+
+        $inputInterfaceMock = $this->createMock(InputInterface::class);
+        $outputInterfaceMock = $this->createMock(OutputInterface::class);
+
+        $mozartCompose = new Compose();
+
+        $result = $mozartCompose->run($inputInterfaceMock, $outputInterfaceMock);
+
+        $phpString = file_get_contents($this->testsWorkingDir .'strauss/nesbot/carbon/src/Carbon/Carbon.php');
+
+        $this->assertStringNotContainsString('*Mozart\\ This file is part of the Carbon package.Mozart\\', $phpString);
+    }
+}