diff --git a/libraries/plugins/schema/SchemaDia.class.php b/libraries/plugins/schema/SchemaDia.class.php
index b09119e4ad..2b5493bcdb 100644
--- a/libraries/plugins/schema/SchemaDia.class.php
+++ b/libraries/plugins/schema/SchemaDia.class.php
@@ -66,8 +66,8 @@ class SchemaDia extends SchemaPlugin
         $leaf->setText(__('Orientation'));
         $leaf->setValues(
             array(
-                'L' => 'Landscape',
-                'P' => 'Portrait',
+                'L' => __('Landscape'),
+                'P' => __('Portrait'),
             )
         );
         $specificOptions->addProperty($leaf);
diff --git a/libraries/plugins/schema/SchemaEps.class.php b/libraries/plugins/schema/SchemaEps.class.php
index 1d8cca8b61..c53a778a5b 100644
--- a/libraries/plugins/schema/SchemaEps.class.php
+++ b/libraries/plugins/schema/SchemaEps.class.php
@@ -72,8 +72,8 @@ class SchemaEps extends SchemaPlugin
         $leaf->setText(__('Orientation'));
         $leaf->setValues(
             array(
-                'L' => 'Landscape',
-                'P' => 'Portrait',
+                'L' => __('Landscape'),
+                'P' => __('Portrait'),
             )
         );
         $specificOptions->addProperty($leaf);
diff --git a/libraries/plugins/schema/SchemaPdf.class.php b/libraries/plugins/schema/SchemaPdf.class.php
index 92a9846b61..b9b6ddb240 100644
--- a/libraries/plugins/schema/SchemaPdf.class.php
+++ b/libraries/plugins/schema/SchemaPdf.class.php
@@ -72,8 +72,8 @@ class SchemaPdf extends SchemaPlugin
         $leaf->setText(__('Orientation'));
         $leaf->setValues(
             array(
-                'L' => 'Landscape',
-                'P' => 'Portrait',
+                'L' => __('Landscape'),
+                'P' => __('Portrait'),
             )
         );
         $specificOptions->addProperty($leaf);