diff --git a/src/Config/Config.php b/src/Config/Config.php
index aa9b62e..c4823a4 100644
--- a/src/Config/Config.php
+++ b/src/Config/Config.php
@@ -65,7 +65,7 @@ public function setAuthor(string $author) : void {
   }
 
   public function getAuthor() : string {
-    return $this->author;
+    return $this->author ?? self::DEFAULT_COMMIT_AUTHOR;
   }
 
   /**
diff --git a/src/Config/ConfigInterface.php b/src/Config/ConfigInterface.php
index f280b97..f38fc67 100644
--- a/src/Config/ConfigInterface.php
+++ b/src/Config/ConfigInterface.php
@@ -4,6 +4,9 @@
 
 interface ConfigInterface
 {
+
+  const DEFAULT_COMMIT_AUTHOR = 'Drupal <drupal@artifact-builder>';
+
   /**
    * Branch where artifact is pushed.
    *
diff --git a/src/DrupalArtifactBuilderGit.php b/src/DrupalArtifactBuilderGit.php
index 2072f30..9767538 100644
--- a/src/DrupalArtifactBuilderGit.php
+++ b/src/DrupalArtifactBuilderGit.php
@@ -23,7 +23,7 @@ protected function configure() {
     parent::configure();
     $this->setDescription('Commit and push artifact changes to git.');
     $this->addOption('branch', 'b', InputOption::VALUE_REQUIRED,'Git branch');
-    $this->addOption('author', 'a', InputOption::VALUE_REQUIRED,'Git commit author', 'Drupal <drupal@artifact-builder>');
+    $this->addOption('author', 'a', InputOption::VALUE_REQUIRED,'Git commit author');
   }
 
   /**
@@ -45,6 +45,7 @@ protected function initialize(InputInterface $input, OutputInterface $output) {
     if ($input->hasOption('author') && !empty($input->getOption('author'))) {
       $this->getConfiguration()->setAuthor($input->getOption('author'));
     }
+    $this->log(sprintf('Commit author: %s', $this->getConfiguration()->getAuthor()));
 
     $this->assertRepository();
   }