diff --git a/terminatorlib/prefseditor.py b/terminatorlib/prefseditor.py
index 101c357a..28c358e0 100755
--- a/terminatorlib/prefseditor.py
+++ b/terminatorlib/prefseditor.py
@@ -863,7 +863,7 @@ def on_backspace_binding_combobox_changed(self, widget):
         elif selected == 2:
             value = 'ascii-del'
         elif selected == 3:
-            value == 'escape-sequence'
+            value = 'escape-sequence'
         else:
             value = 'automatic'
         self.config['backspace_binding'] = value