diff --git a/pt-br/matlab-pt.html.markdown b/pt-br/matlab-pt.html.markdown
index ea320d07..eb660d4c 100644
--- a/pt-br/matlab-pt.html.markdown
+++ b/pt-br/matlab-pt.html.markdown
@@ -7,6 +7,7 @@ contributors:
 translators:
     - ["Claudson Martins", "https://github.com/claudsonm"]
 lang: pt-br
+filename: learnmatlab-pt.mat
 
 ---