diff --git a/Crypto Notepad/MainForm.cs b/Crypto Notepad/MainForm.cs
index ae8d365..83b59c3 100644
--- a/Crypto Notepad/MainForm.cs	
+++ b/Crypto Notepad/MainForm.cs	
@@ -885,6 +885,20 @@ private void CustomRTB_DragDrop(object sender, DragEventArgs e)
                     }
                 }
             }
+            if (PublicVar.encryptionKey.Get() == null)
+            {
+                FileLocationToolbarButton.Enabled = false;
+                DeleteFileToolbarButton.Enabled = false;
+                ChangeKeyToolbarButton.Enabled = false;
+                LockToolbarButton.Enabled = false;
+            }
+            else
+            {
+                FileLocationToolbarButton.Enabled = true;
+                DeleteFileToolbarButton.Enabled = true;
+                ChangeKeyToolbarButton.Enabled = true;
+                LockToolbarButton.Enabled = true;
+            }
         }
 
         private void CustomRTB_KeyUp(object sender, KeyEventArgs e)