diff --git a/pagetop/src/app.rs b/pagetop/src/app.rs
index dbb39ddd..a3d4e67d 100644
--- a/pagetop/src/app.rs
+++ b/pagetop/src/app.rs
@@ -6,7 +6,7 @@ use crate::core::{module, module::ModuleStaticRef};
 use crate::html::Markup;
 use crate::response::fatal_error::FatalError;
 use crate::response::page::ResultPage;
-use crate::{config, locale, server, trace, LazyStatic};
+use crate::{config, define_locale, locale, server, trace, LazyStatic};
 
 #[cfg(feature = "database")]
 use crate::db;
@@ -21,6 +21,8 @@ use std::io::Error;
 
 use substring::Substring;
 
+define_locale!(LOCALE_PAGETOP, "static/locales");
+
 pub struct Application {
     server: Server,
 }
diff --git a/pagetop/static/locales/en-US/theme.ftl b/pagetop/static/locales/en-US/theme.ftl
new file mode 100644
index 00000000..f87bfe36
--- /dev/null
+++ b/pagetop/static/locales/en-US/theme.ftl
@@ -0,0 +1,6 @@
+header = Header
+pagetop = Page Top
+content = Content
+sidebar = Sidebar
+pagebottom = Page Bottom
+footer = Footer
diff --git a/pagetop/static/locales/es-ES/theme.ftl b/pagetop/static/locales/es-ES/theme.ftl
new file mode 100644
index 00000000..65cc7218
--- /dev/null
+++ b/pagetop/static/locales/es-ES/theme.ftl
@@ -0,0 +1,6 @@
+header = Cabecera
+pagetop = Superior
+content = Contenido
+sidebar = Barra lateral
+pagebottom = Inferior
+footer = Pie de página