diff --git a/bukuserver/README.md b/bukuserver/README.md
index 94dac77..c83bd88 100644
--- a/bukuserver/README.md
+++ b/bukuserver/README.md
@@ -56,7 +56,7 @@ Following are available os env config available for bukuserver.
 | SECRET_KEY | server secret key | string [default: os.urandom(24)] |
 | URL_RENDER_MODE | url render mode | `full` or `netloc` [default: `full`] |
 | DB_FILE | full path to db file | path string [default: standard path for buku] |
-| DISABLE_FAVICON | disable favicon | boolean [default: `None`] |
+| DISABLE_FAVICON | disable favicon | boolean [default: `false`] |
 
 Note: `BUKUSERVER_` is the common prefix.