diff --git a/js/etherpad.js b/js/etherpad.js
index 2344f63..d003ab5 100644
--- a/js/etherpad.js
+++ b/js/etherpad.js
@@ -8,6 +8,7 @@
       'showChat'          : false,
       'showLineNumbers'   : false,
       'userName'          : 'unnamed',
+      'lang'              : '',
       'useMonospaceFont'  : false,
       'noColors'          : false,
       'userColor'         : false,
@@ -43,6 +44,9 @@
           iFrameLink = iFrameLink + '&showLineNumbers=' + settings.showLineNumbers;
           iFrameLink = iFrameLink + '&useMonospaceFont=' + settings.useMonospaceFont;
           iFrameLink = iFrameLink + '&userName=' + settings.userName;
+          if (settings.lang) {
+            iFrameLink = iFrameLink + '&lang=' + settings.lang;
+          }
           iFrameLink = iFrameLink + '&noColors=' + settings.noColors;
           iFrameLink = iFrameLink + '&userColor=' + settings.userColor;
           iFrameLink = iFrameLink + '&hideQRCode=' + settings.hideQRCode;