diff --git a/lib/checksum.groovy b/lib/checksum.groovy
index 53c7334b..4f349c8f 100644
--- a/lib/checksum.groovy
+++ b/lib/checksum.groovy
@@ -30,5 +30,5 @@ private static String getMD5(File file) throws IOException
     }
 
     //return complete hash
-   return sb.toString();
+    return sb.toString();
 }