diff --git a/terminatorlib/prefseditor.py b/terminatorlib/prefseditor.py
index 1193cc43..74e08164 100755
--- a/terminatorlib/prefseditor.py
+++ b/terminatorlib/prefseditor.py
@@ -1423,6 +1423,9 @@ class PrefsEditor:
         self.config.save()
 
     def on_link_single_click_toggled(self, checkbox):
+        """Configure link_single_click option from checkbox."""
+        guiget = self.builder.get_object
+        widget = guiget('link_single_click')
         self.config['link_single_click'] = widget.get_active()
         self.config.save()