diff --git a/src/Generator.php b/src/Generator.php
index 6e8d1e6..c15292b 100644
--- a/src/Generator.php
+++ b/src/Generator.php
@@ -40,7 +40,7 @@ public function run(): PackageDescriptorEntityInterface
 
 		if ($composerJson === [] || $composerJson === '') {
 			throw new \RuntimeException(
-				'File "composer.json" can not be empty. Did you check path "' . $path . '"?'
+				'File "composer.json" can not be empty. Did you check path "' . $path . '"?',
 			);
 		}