diff --git a/js/editor.js b/js/editor.js
index 512df2a0..0697cdfc 100644
--- a/js/editor.js
+++ b/js/editor.js
@@ -267,6 +267,8 @@
         if (OCA.Onlyoffice.version > 0) {
             OCA.Onlyoffice.onRequestHistory(OCA.Onlyoffice.version);
         }
+
+        OCA.Onlyoffice.setViewport();
     };
 
     OCA.Onlyoffice.onRequestSaveAs = function (event) {
@@ -661,6 +663,10 @@
         OCA.Onlyoffice.docEditor.refreshHistory(data);
     }
 
+    OCA.Onlyoffice.setViewport = function() {
+        document.querySelector('meta[name="viewport"]').setAttribute("content","width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0");
+    };
+
     $(document).ready(OCA.Onlyoffice.InitEditor);
 
 })(jQuery, OCA);
diff --git a/js/listener.js b/js/listener.js
index e7d41af5..12df57f6 100644
--- a/js/listener.js
+++ b/js/listener.js
@@ -88,12 +88,18 @@
         } else {
             OCA.Onlyoffice.unbindVersionClick();
         }
+
+        OCA.Onlyoffice.setViewport();
     };
 
     OCA.Onlyoffice.changeFavicon = function (favicon) {
         $('link[rel="icon"]').attr("href", favicon);
     };
 
+    OCA.Onlyoffice.setViewport = function() {
+        document.querySelector('meta[name="viewport"]').setAttribute("content","width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0");
+    };
+
     OCA.Onlyoffice.onShowMessage = function (messageObj) {
         OC.Notification.show(messageObj.message, messageObj.props);
     }