diff --git a/apps/common/main/lib/view/Header.js b/apps/common/main/lib/view/Header.js
index f153840fe..38ae5144b 100644
--- a/apps/common/main/lib/view/Header.js
+++ b/apps/common/main/lib/view/Header.js
@@ -565,7 +565,9 @@ define([
                     if ( !!window.DE ) {
                         var mode_cls = Common.UI.Themes.isContentThemeDark() ? 'btn-mode-light' : 'btn-mode-dark';
                         me.btnContentMode = createTitleButton('toolbar__icon icon--inverse ' + mode_cls, $html.findById('#slot-btn-mode'), undefined, 'bottom', 'big');
-                        me.btnContentMode.setVisible(Common.UI.Themes.isDarkTheme());
+
+                        var document = this.getApplication().getController('Main').document;
+                        me.btnContentMode.setVisible(Common.UI.Themes.isDarkTheme() && !/^pdf|djvu|xps|oxps$/.test(document.fileType));
                     }
 
                     return $html;
diff --git a/apps/documenteditor/main/app/controller/Viewport.js b/apps/documenteditor/main/app/controller/Viewport.js
index 39f0d058d..809f1075d 100644
--- a/apps/documenteditor/main/app/controller/Viewport.js
+++ b/apps/documenteditor/main/app/controller/Viewport.js
@@ -325,7 +325,8 @@ define([
                 })).on('click', _on_btn_zoom.bind(me, 'up'));
 
                 me.header.btnOptions.menu.on('item:click', me.onOptionsItemClick.bind(this));
-                if ( !Common.UI.Themes.isDarkTheme() ) {
+                var document = DE.getController('Main').document;
+                if ( !Common.UI.Themes.isDarkTheme() || /^pdf|djvu|xps|oxps$/.test(document.fileType) ) {
                     me.header.menuItemsDarkMode.hide();
                     me.header.menuItemsDarkMode.$el.prev('.divider').hide();
                 }