diff --git a/gui/copySelectDialog.py b/gui/copySelectDialog.py
index cf70adae5..82b57059b 100644
--- a/gui/copySelectDialog.py
+++ b/gui/copySelectDialog.py
@@ -100,7 +100,8 @@ class CopySelectDialog(wx.Dialog):
 
                 for optId, optName, optDesc, _ in formatOptions:
                     checkbox = wx.CheckBox(self, -1, optName)
-                    checkbox.SetToolTip(wx.ToolTip(optDesc))
+                    if optDesc:
+                        checkbox.SetToolTip(wx.ToolTip(optDesc))
                     self.options[formatId][optId] = checkbox
                     if self.settings['options'].get(formatId, {}).get(optId, defaultFormatOptions.get(formatId, {}).get(optId)):
                         checkbox.SetValue(True)