diff --git a/debian/aptly.conf b/debian/aptly.conf
index 38a8a56a..c233118f 100644
--- a/debian/aptly.conf
+++ b/debian/aptly.conf
@@ -228,7 +228,7 @@ s3_publish_endpoints:
     #     # Encryption Method (optional)
     #     # Server-side encryption method, defaults to none. Currently
     #     # the only available encryption method is `AES256`
-    #     encryption_method: none
+    #     encryption_method: ""
     #     # Plus Workaround (optional)
     #     # Workaround misbehavior in apt and Amazon S3 for files with `+` in filename by
     #     # creating two copies of package files with `+` in filename: one original
diff --git a/system/t02_config/CreateConfigTest_gold b/system/t02_config/CreateConfigTest_gold
index 38a8a56a..c233118f 100644
--- a/system/t02_config/CreateConfigTest_gold
+++ b/system/t02_config/CreateConfigTest_gold
@@ -228,7 +228,7 @@ s3_publish_endpoints:
     #     # Encryption Method (optional)
     #     # Server-side encryption method, defaults to none. Currently
     #     # the only available encryption method is `AES256`
-    #     encryption_method: none
+    #     encryption_method: ""
     #     # Plus Workaround (optional)
     #     # Workaround misbehavior in apt and Amazon S3 for files with `+` in filename by
     #     # creating two copies of package files with `+` in filename: one original