diff --git a/application/controllers/Lotw.php b/application/controllers/Lotw.php
index 2bae0a643..a74e0f8c0 100644
--- a/application/controllers/Lotw.php
+++ b/application/controllers/Lotw.php
@@ -976,7 +976,7 @@ class Lotw extends CI_Controller {
 					openssl_free_key($pkeyid);
 				}
 				$signature_b64 = base64_encode($signature);
-				return $signature_b64;
+				return $signature_b64."\n";
 			}
 		} else {
 			log_message('error', 'Error signing LoTW log.');