diff --git a/gui/gui_help.py b/gui/gui_help.py
index 5f3aac07f..319255bdd 100644
--- a/gui/gui_help.py
+++ b/gui/gui_help.py
@@ -1,6 +1,7 @@
 import wx
 import webbrowser
 from resources import constants
+from data import os_data
 
 class gui_help_menu:
     def __init__(self, versions, frame, frame_modal):
@@ -18,7 +19,8 @@ class gui_help_menu:
         else:
             self.frame_modal.DestroyChildren()
             self.frame_modal.Close()
-            self.frame_modal.ShowWithoutActivating()
+            if self.constants.detected_os >= os_data.os_data.big_sur:
+                self.frame_modal.ShowWithoutActivating()
 
     def help_menu(self, event=None):
         # Define Menu
diff --git a/gui/gui_main.py b/gui/gui_main.py
index 05a4ba716..d6b859373 100644
--- a/gui/gui_main.py
+++ b/gui/gui_main.py
@@ -117,7 +117,8 @@ class wx_python_gui:
             # If the previous frame was a modal, the new frame will anchor onto it
             # instead of the core frame
             # Calling ShowWithoutActivating() resets the frame position
-            self.frame_modal.ShowWithoutActivating()
+            if self.constants.detected_os >= os_data.os_data.big_sur:
+                self.frame_modal.ShowWithoutActivating()
     
     def use_non_metal_alternative(self):
         if self.constants.detected_os >= os_data.os_data.monterey: