diff --git a/modoboa_installer/scripts/files/uwsgi/modoboa.ini.tpl b/modoboa_installer/scripts/files/uwsgi/modoboa.ini.tpl
index cd76f33..9d27e21 100644
--- a/modoboa_installer/scripts/files/uwsgi/modoboa.ini.tpl
+++ b/modoboa_installer/scripts/files/uwsgi/modoboa.ini.tpl
@@ -13,3 +13,4 @@ socket = %uwsgi_socket_path
 chmod-socket = 660
 vacuum = true
 single-interpreter = True
+buffer-size = 8192