diff --git a/src/ui/Forms/Main.cs b/src/ui/Forms/Main.cs
index c10589467..a91bde623 100644
--- a/src/ui/Forms/Main.cs
+++ b/src/ui/Forms/Main.cs
@@ -6775,6 +6775,13 @@ namespace Nikse.SubtitleEdit.Forms
             Focus();
         }
 
+        public bool GetAllowReplaceInOriginal()
+        {
+            return Configuration.Settings.General.AllowEditOfOriginalSubtitle
+                   && _subtitleOriginal != null
+                   && _subtitleOriginal.Paragraphs.Count > 0;
+        }
+
         public void ListViewReplaceAll(ReplaceDialog replaceDialog, FindReplaceDialogHelper findHelper)
         {
             if (_findHelper == null)
diff --git a/src/ui/Forms/Ocr/VobSubOcr.cs b/src/ui/Forms/Ocr/VobSubOcr.cs
index 593d9a644..cefe304c3 100644
--- a/src/ui/Forms/Ocr/VobSubOcr.cs
+++ b/src/ui/Forms/Ocr/VobSubOcr.cs
@@ -9896,5 +9896,10 @@ namespace Nikse.SubtitleEdit.Forms.Ocr
         {
             throw new NotImplementedException();
         }
+
+        public bool GetAllowReplaceInOriginal()
+        {
+            return false;
+        }
     }
 }
diff --git a/src/ui/Forms/ReplaceDialog.Designer.cs b/src/ui/Forms/ReplaceDialog.Designer.cs
index a4739fd24..ec2e44d87 100644
--- a/src/ui/Forms/ReplaceDialog.Designer.cs
+++ b/src/ui/Forms/ReplaceDialog.Designer.cs
@@ -205,6 +205,7 @@
             this.ShowInTaskbar = false;
             this.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent;
             this.Text = "Replace";
+            this.Activated += new System.EventHandler(this.ReplaceDialog_Activated);
             this.FormClosing += new System.Windows.Forms.FormClosingEventHandler(this.ReplaceDialog_FormClosing);
             this.KeyDown += new System.Windows.Forms.KeyEventHandler(this.FormReplaceDialog_KeyDown);
             this.ResumeLayout(false);
diff --git a/src/ui/Forms/ReplaceDialog.cs b/src/ui/Forms/ReplaceDialog.cs
index eab9314c5..e5097813b 100644
--- a/src/ui/Forms/ReplaceDialog.cs
+++ b/src/ui/Forms/ReplaceDialog.cs
@@ -70,11 +70,11 @@ namespace Nikse.SubtitleEdit.Forms
                 result.FindType = FindType.RegEx;
             }
 
-            result.SearchOriginal = !comboBoxFindReplaceIn.Visible ||
+            result.SearchOriginal = !comboBoxFindReplaceIn.Enabled ||
                                     comboBoxFindReplaceIn.SelectedIndex == 0 ||
                                     comboBoxFindReplaceIn.SelectedIndex == 2;
 
-            result.SearchTranslation = !comboBoxFindReplaceIn.Visible ||
+            result.SearchTranslation = !comboBoxFindReplaceIn.Enabled ||
                                        comboBoxFindReplaceIn.SelectedIndex == 0 ||
                                        comboBoxFindReplaceIn.SelectedIndex == 1;
 
@@ -139,8 +139,8 @@ namespace Nikse.SubtitleEdit.Forms
                 checkBoxWholeWord.Checked = findHelper.FindReplaceType.WholeWord;
             }
 
-            labelFindReplaceIn.Visible = replaceInOriginal;
-            comboBoxFindReplaceIn.Visible = replaceInOriginal;
+            labelFindReplaceIn.Enabled = replaceInOriginal;
+            comboBoxFindReplaceIn.Enabled = replaceInOriginal;
         }
 
         private void ButtonReplaceClick(object sender, EventArgs e)
@@ -285,5 +285,12 @@ namespace Nikse.SubtitleEdit.Forms
         {
             _findNext = false;
         }
+
+        private void ReplaceDialog_Activated(object sender, EventArgs e)
+        {
+            var allowReplaceInOriginal = _findAndReplaceMethods.GetAllowReplaceInOriginal();
+            labelFindReplaceIn.Enabled = allowReplaceInOriginal;
+            comboBoxFindReplaceIn.Enabled = allowReplaceInOriginal;
+        }
     }
 }
diff --git a/src/ui/Logic/IFindAndReplace.cs b/src/ui/Logic/IFindAndReplace.cs
index 1094802e1..f486c8b75 100644
--- a/src/ui/Logic/IFindAndReplace.cs
+++ b/src/ui/Logic/IFindAndReplace.cs
@@ -12,5 +12,6 @@ namespace Nikse.SubtitleEdit.Logic
         void ReplaceDialogReplace(FindReplaceDialogHelper findReplaceDialogHelper);
         void ReplaceDialogReplaceAll(FindReplaceDialogHelper findReplaceDialogHelper);
         void ReplaceDialogClose();
+        bool GetAllowReplaceInOriginal();
     }
 }