diff --git a/www/common/onlyoffice/inner.js b/www/common/onlyoffice/inner.js
index f319b23b4..4462b5739 100644
--- a/www/common/onlyoffice/inner.js
+++ b/www/common/onlyoffice/inner.js
@@ -49,6 +49,11 @@ define([
 
     var CHECKPOINT_INTERVAL = 50;
 
+    var debug = function (x) {
+        if (!window.CP_DEV_MODE) { return; }
+        console.log(x);
+    };
+
     var stringify = function (obj) {
         return JSONSortify(obj);
     };
@@ -203,7 +208,7 @@ define([
             cpIndex: 0
         };
 
-        var getContent = APP.getContent = function () {
+        var getContent = function () {
             try {
                 return window.frames[0].editor.asc_nativeGetFile();
             } catch (e) {
@@ -560,10 +565,12 @@ define([
                 APP.chan = chan;
 
                 var send = ooChannel.send = function (obj) {
+                    debug(obj);
                     chan.event('CMD', obj);
                 };
 
                 chan.on('CMD', function (obj) {
+                    debug(obj);
                     switch (obj.type) {
                         case "auth":
                             handleAuth(obj, send);
diff --git a/www/common/sframe-common-outer.js b/www/common/sframe-common-outer.js
index 37697ad2c..4d25d0c50 100644
--- a/www/common/sframe-common-outer.js
+++ b/www/common/sframe-common-outer.js
@@ -302,6 +302,7 @@ define([
                         password: password,
                         channel: secret.channel,
                         enableSF: localStorage.CryptPad_SF === "1", // TODO to remove when enabled by default
+                        devMode: localStorage.CryptPad_dev === "1",
                     };
                     if (window.CryptPad_newSharedFolder) {
                         additionalPriv.newSharedFolder = window.CryptPad_newSharedFolder;
diff --git a/www/common/sframe-common.js b/www/common/sframe-common.js
index d6cbfc350..36f9bd449 100644
--- a/www/common/sframe-common.js
+++ b/www/common/sframe-common.js
@@ -587,6 +587,10 @@ define([
                 console.error("Can't check permissions for the app");
             }
 
+            try {
+                window.CP_DEV_MODE = ctx.metadataMgr.getPrivateData().devMode;
+            } catch (e) {}
+
             ctx.sframeChan.on('EV_LOADING_ERROR', function (err) {
                 if (err === 'DELETED') {
                     var msg = Messages.deletedError + '<br>' + Messages.errorRedirectToHome;