diff --git a/apps/documenteditor/main/app/controller/Toolbar.js b/apps/documenteditor/main/app/controller/Toolbar.js
index 973a3eaa8..eb5375260 100644
--- a/apps/documenteditor/main/app/controller/Toolbar.js
+++ b/apps/documenteditor/main/app/controller/Toolbar.js
@@ -933,7 +933,7 @@ define([
             var toolbar = this.toolbar;
             if (this.api) {
                 var isModified = this.api.asc_isDocumentCanSave();
-                var isSyncButton = toolbar.btnCollabChanges.$icon.hasClass('btn-synch');
+                var isSyncButton = toolbar.btnCollabChanges && toolbar.btnCollabChanges.$icon.hasClass('btn-synch');
                 if (!isModified && !isSyncButton && !toolbar.mode.forcesave)
                     return;
 
diff --git a/apps/presentationeditor/main/app/controller/Toolbar.js b/apps/presentationeditor/main/app/controller/Toolbar.js
index 9d69e0c5a..ceb2a7fd0 100644
--- a/apps/presentationeditor/main/app/controller/Toolbar.js
+++ b/apps/presentationeditor/main/app/controller/Toolbar.js
@@ -889,7 +889,7 @@ define([
             var toolbar = this.toolbar;
             if (this.api && this.api.asc_isDocumentCanSave) {
                 var isModified = this.api.asc_isDocumentCanSave();
-                var isSyncButton = this.toolbar.btnCollabChanges.$icon.hasClass('btn-synch');
+                var isSyncButton = this.toolbar.btnCollabChanges && this.toolbar.btnCollabChanges.$icon.hasClass('btn-synch');
                 if (!isModified && !isSyncButton && !this.toolbar.mode.forcesave)
                     return;
 
diff --git a/apps/spreadsheeteditor/main/app/controller/Toolbar.js b/apps/spreadsheeteditor/main/app/controller/Toolbar.js
index de0ef8277..4a1d45c35 100644
--- a/apps/spreadsheeteditor/main/app/controller/Toolbar.js
+++ b/apps/spreadsheeteditor/main/app/controller/Toolbar.js
@@ -407,7 +407,7 @@ define([
         onSave: function(e) {
             if (this.api) {
                 var isModified = this.api.asc_isDocumentCanSave();
-                var isSyncButton = this.toolbar.btnCollabChanges.$icon.hasClass('btn-synch');
+                var isSyncButton = this.toolbar.btnCollabChanges && this.toolbar.btnCollabChanges.$icon.hasClass('btn-synch');
                 if (!isModified && !isSyncButton && !this.toolbar.mode.forcesave)
                     return;