diff --git a/apps/spreadsheeteditor/main/index_internal.html.deploy b/apps/spreadsheeteditor/main/index_internal.html.deploy
index e4fddfa459..34b7c8dfe1 100644
--- a/apps/spreadsheeteditor/main/index_internal.html.deploy
+++ b/apps/spreadsheeteditor/main/index_internal.html.deploy
@@ -239,7 +239,7 @@
     <script src="../../../../../../sdkjs/common/device_scale.js?__inline=true"></script>
 
     <script>
-        const userAgent = navigator.userAgent.toLowerCase(),
+        var userAgent = navigator.userAgent.toLowerCase(),
             check = function(regex){ return regex.test(userAgent); },
             isIEBrowser = !check(/opera/) && (check(/msie/) || check(/trident/));
         isIEBrowser === true &&
diff --git a/apps/spreadsheeteditor/main/index_loader.html.deploy b/apps/spreadsheeteditor/main/index_loader.html.deploy
index a67e8d0759..6787d55c87 100644
--- a/apps/spreadsheeteditor/main/index_loader.html.deploy
+++ b/apps/spreadsheeteditor/main/index_loader.html.deploy
@@ -332,7 +332,7 @@
 
     <script src="../../../../../../sdkjs/common/device_scale.js?__inline=true"></script>
     <script>
-        const userAgent = navigator.userAgent.toLowerCase(),
+        var userAgent = navigator.userAgent.toLowerCase(),
             check = function(regex){ return regex.test(userAgent); },
             isIEBrowser = !check(/opera/) && (check(/msie/) || check(/trident/));
         isIEBrowser === true &&
diff --git a/apps/visioeditor/main/index_loader.html.deploy b/apps/visioeditor/main/index_loader.html.deploy
index e3a27956ce..923fa7d3bc 100644
--- a/apps/visioeditor/main/index_loader.html.deploy
+++ b/apps/visioeditor/main/index_loader.html.deploy
@@ -326,7 +326,7 @@
     <script src="../../../../../../sdkjs/common/device_scale.js?__inline=true"></script>
 
     <script>
-        const userAgent = navigator.userAgent.toLowerCase(),
+        var userAgent = navigator.userAgent.toLowerCase(),
             check = function(regex){ return regex.test(userAgent); },
             isIEBrowser = !check(/opera/) && (check(/msie/) || check(/trident/));
         isIEBrowser === true &&