diff --git a/doc/CONFIGURATION.md b/doc/CONFIGURATION.md
index 576aef8c..afb6a38e 100644
--- a/doc/CONFIGURATION.md
+++ b/doc/CONFIGURATION.md
@@ -62,7 +62,7 @@ See a [sample](./etc/pgmoneta.conf) configuration for running `pgmoneta` on `loc
 | tls_key_file | | String | No | Private key file for TLS. This file must be owned by either the user running pgmoneta or root. Additionally permissions must be at least `0640` when owned by root or `0600` otherwise. |
 | tls_ca_file | | String | No | Certificate Authority (CA) file for TLS. This file must be owned by either the user running pgmoneta or root.  |
 | libev | `auto` | String | No | Select the [libev](http://software.schmorp.de/pkg/libev.html) backend to use. Valid options: `auto`, `select`, `poll`, `epoll`, `iouring`, `devpoll` and `port` |
-| buffer_size | 65535 | Int | No | The network buffer size (`SO_RCVBUF` and `SO_SNDBUF`) |
+| buffer_size | 65536 | Int | No | The network buffer size (`SO_RCVBUF` and `SO_SNDBUF`) |
 | backup_max_rate | 0 | Int | No | The number of bytes of tokens added every one second to limit the backup rate|
 | network_max_rate | 0 | Int | No | The number of bytes of tokens added every one second to limit the netowrk backup rate|
 | manifest | sha256 | String | No | The hash algoritm  for the manifest. Valid options: `crc32c`, `sha224`, `sha256`, `sha384` and `sha512`|
diff --git a/doc/man/pgmoneta.conf.5.rst b/doc/man/pgmoneta.conf.5.rst
index e6082b9f..bea0ba94 100644
--- a/doc/man/pgmoneta.conf.5.rst
+++ b/doc/man/pgmoneta.conf.5.rst
@@ -198,7 +198,7 @@ libev
   The libev backend to use. Valid options: auto, select, poll, epoll, iouring, devpoll and port. Default is auto
 
 buffer_size
-  The network buffer size (SO_RCVBUF and SO_SNDBUF). Default is 65535
+  The network buffer size (SO_RCVBUF and SO_SNDBUF). Default is 65536
 
 keep_alive
   Have SO_KEEPALIVE on sockets. Default is on
diff --git a/doc/manual/user-02-configuration.md b/doc/manual/user-02-configuration.md
index 77a469d9..d664c0ff 100644
--- a/doc/manual/user-02-configuration.md
+++ b/doc/manual/user-02-configuration.md
@@ -62,7 +62,7 @@ See a [sample][sample] configuration for running [**pgmoneta**][pgmoneta] on `lo
 | tls_key_file | | String | No | Private key file for TLS. This file must be owned by either the user running pgmoneta or root. Additionally permissions must be at least `0640` when owned by root or `0600` otherwise. |
 | tls_ca_file | | String | No | Certificate Authority (CA) file for TLS. This file must be owned by either the user running pgmoneta or root.  |
 | libev | `auto` | String | No | Select the [libev][libev] backend to use. Valid options: `auto`, `select`, `poll`, `epoll`, `iouring`, `devpoll` and `port` |
-| buffer_size | 65535 | Int | No | The network buffer size (`SO_RCVBUF` and `SO_SNDBUF`) |
+| buffer_size | 65536 | Int | No | The network buffer size (`SO_RCVBUF` and `SO_SNDBUF`) |
 | backup_max_rate | 0 | Int | No | The number of bytes of tokens added every one second to limit the backup rate|
 | network_max_rate | 0 | Int | No | The number of bytes of tokens added every one second to limit the netowrk backup rate|
 | manifest | sha256 | String | No | The hash algoritm  for the manifest. Valid options: `crc32c`, `sha224`, `sha256`, `sha384` and `sha512`|