diff --git a/apps/common/main/lib/controller/ReviewChanges.js b/apps/common/main/lib/controller/ReviewChanges.js
index c60b8a9f9f..a4bb4ade9d 100644
--- a/apps/common/main/lib/controller/ReviewChanges.js
+++ b/apps/common/main/lib/controller/ReviewChanges.js
@@ -1045,7 +1045,7 @@ define([
                     if (!item.asc_getView())
                         length++;
                 });
-                Common.Utils.lockControls(Common.enumLock.hasCoeditingUsers, length>1, {array: [this.view.btnCompare]});
+                Common.Utils.lockControls(Common.enumLock.hasCoeditingUsers, length>1, {array: [this.view.btnCompare, this.view.btnCombine]});
             }
         },
 
diff --git a/apps/common/main/lib/view/ReviewChanges.js b/apps/common/main/lib/view/ReviewChanges.js
index ab8445a84b..35378dd163 100644
--- a/apps/common/main/lib/view/ReviewChanges.js
+++ b/apps/common/main/lib/view/ReviewChanges.js
@@ -310,7 +310,7 @@ define([
                             caption: this.txtCombine,
                             split: true,
                             iconCls: 'toolbar__icon combine',
-                            lock: [_set.hasCoeditingUsers, _set.previewReviewMode, _set.viewFormMode, _set.lostConnect],
+                            lock: [_set.hasCoeditingUsers, _set.previewReviewMode, _set.viewFormMode, _set.lostConnect, _set.docLockView, _set.docLockForms, _set.docLockComments],
                             dataHint: '1',
                             dataHintDirection: 'bottom',
                             dataHintOffset: 'small'