diff --git a/resources/wx_gui/gui_sys_patch_start.py b/resources/wx_gui/gui_sys_patch_start.py
index 565d798a5..f92c87845 100644
--- a/resources/wx_gui/gui_sys_patch_start.py
+++ b/resources/wx_gui/gui_sys_patch_start.py
@@ -43,7 +43,6 @@ class SysPatchStartFrame(wx.Frame):
 
         super(SysPatchStartFrame, self).__init__(parent, title=title, size=(350, 200), style=wx.DEFAULT_FRAME_STYLE & ~(wx.RESIZE_BORDER | wx.MAXIMIZE_BOX))
         gui_support.GenerateMenubar(self, self.constants).generate()
-        self.Centre()
 
         if self.patches == {}:
             self.patches = sys_patch_detect.DetectRootPatch(self.constants.computer.real_model, self.constants).detect_patch_set()
@@ -209,6 +208,7 @@ class SysPatchStartFrame(wx.Frame):
         dialog.SetSize((-1, return_button.GetPosition().y + return_button.GetSize().height + 33))
         self.frame_modal = dialog
         dialog.ShowWindowModal()
+        self.Centre()
 
 
     def start_root_patching(self):