diff --git a/paramecio/citoplasma/mtemplates.py b/paramecio/citoplasma/mtemplates.py
index 515df7f..5d34d17 100644
--- a/paramecio/citoplasma/mtemplates.py
+++ b/paramecio/citoplasma/mtemplates.py
@@ -134,6 +134,8 @@ class PTemplate:
         
         self.add_filter(I18n.lang)
         
+        self.add_filter(I18n.get_default_lang)
+        
         self.headerhtml=HeaderHTML()
         
         self.add_filter(self.headerhtml.add_css_home)