diff --git a/invesalius/gui/dialogs.py b/invesalius/gui/dialogs.py
index d2d3328..cc8fca5 100644
--- a/invesalius/gui/dialogs.py
+++ b/invesalius/gui/dialogs.py
@@ -2296,6 +2296,7 @@ class FFillSegmentationOptionsDialog(wx.Dialog):
 
         self.Bind(wx.EVT_RADIOBUTTON, self.OnSetRadio)
         self.cmb_method.Bind(wx.EVT_COMBOBOX, self.OnSetMethod)
+        self.close_btn.Bind(wx.EVT_BUTTON, self.OnBtnClose)
         self.Bind(wx.EVT_CLOSE, self.OnClose)
 
     def OnSetRadio(self, evt):
@@ -2338,6 +2339,9 @@ class FFillSegmentationOptionsDialog(wx.Dialog):
         self.GetSizer().Fit(self)
         self.Layout()
 
+    def OnBtnClose(self, evt):
+        self.Close()
+
     def OnClose(self, evt):
         if self.config.dlg_visible:
             Publisher.sendMessage('Disable style', const.SLICE_STATE_MASK_FFILL)
--
libgit2 0.21.2