diff --git a/Contributing.asciidoc b/Contributing.asciidoc
index 4cdcc3282..6fb1d35f0 100644
--- a/Contributing.asciidoc
+++ b/Contributing.asciidoc
@@ -1,6 +1,8 @@
 = Reporting WeeChat issues
 :author: Sébastien Helleu
 :email: flashcode@flashtux.org
+:lang: en
+
 
 == Report bugs
 
diff --git a/README.asciidoc b/README.asciidoc
index d5836e824..55d265f09 100644
--- a/README.asciidoc
+++ b/README.asciidoc
@@ -1,6 +1,7 @@
 = WeeChat
 :author: Sébastien Helleu
 :email: flashcode@flashtux.org
+:lang: en
 
 
 WeeChat (Wee Enhanced Environment for Chat) is a fast and light chat