diff --git a/apps/documenteditor/main/app/controller/LeftMenu.js b/apps/documenteditor/main/app/controller/LeftMenu.js
index 4479c224de..e5089cf809 100644
--- a/apps/documenteditor/main/app/controller/LeftMenu.js
+++ b/apps/documenteditor/main/app/controller/LeftMenu.js
@@ -308,7 +308,7 @@ define([
                         }, this)
                     });
                 } else if (format == Asc.c_oAscFileType.DOCX) {
-                    if (!Common.Utils.InternalSettings.get("de-settings-compatible") && !Common.localStorage.getBool("de-hide-save-compatible") /* && this.api.checkCompatibility()*/) {
+                    if (!Common.Utils.InternalSettings.get("de-settings-compatible") && !Common.localStorage.getBool("de-hide-save-compatible") && this.api.asc_isCompatibilityMode()) {
                         Common.UI.warning({
                             closable: false,
                             width: 600,
@@ -354,7 +354,7 @@ define([
                         }, this)
                     });
                 } else if (format == Asc.c_oAscFileType.DOCX) {
-                    if (!Common.Utils.InternalSettings.get("de-settings-compatible") && !Common.localStorage.getBool("de-hide-save-compatible") /* && this.api.checkCompatibility()*/) {
+                    if (!Common.Utils.InternalSettings.get("de-settings-compatible") && !Common.localStorage.getBool("de-hide-save-compatible") && this.api.asc_isCompatibilityMode()) {
                         Common.UI.warning({
                             closable: false,
                             width: 600,