diff --git a/.changes/unreleased/Fixed-20241207-093508.yaml b/.changes/unreleased/Fixed-20241207-093508.yaml
new file mode 100644
index 0000000..925d25a
--- /dev/null
+++ b/.changes/unreleased/Fixed-20241207-093508.yaml
@@ -0,0 +1,3 @@
+kind: Fixed
+body: '[#17](https://github.com/llaville/box-manifest/issues/17) : Cannot build a PHAR distrib when banner is declared by an array of string'
+time: 2024-12-07T09:35:08.759627867Z
diff --git a/src/Helper/BoxConfigurationHelper.php b/src/Helper/BoxConfigurationHelper.php
index cda7c13..6670d44 100644
--- a/src/Helper/BoxConfigurationHelper.php
+++ b/src/Helper/BoxConfigurationHelper.php
@@ -24,6 +24,7 @@
 use function dirname;
 use function file_exists;
 use function getcwd;
+use function implode;
 use function is_bool;
 use function is_string;
 use function realpath;
@@ -136,7 +137,11 @@ public function getAlias(): string
 
     public function getBanner(): string
     {
-        return $this->rawConfig->banner ?: '';
+        $banner = $this->rawConfig->banner ?: '';
+        if (is_string($banner)) {
+            return $banner;
+        }
+        return implode("\n", $banner);
     }
 
     public function getShebang(): string