diff --git a/backend/internal/certificate.js b/backend/internal/certificate.js
index b86acc81..8a4369bf 100644
--- a/backend/internal/certificate.js
+++ b/backend/internal/certificate.js
@@ -390,7 +390,7 @@ const internalCertificate = {
 			source
 				.map((fl) => {
 					let fileName = path.basename(fl);
-					logger.debug(fileName, ' added to certificate download zip');
+					logger.debug(fl, 'added to certificate zip');
 					archive.file(fl, { name: fileName });
 				});
 			archive