diff --git a/gui/gui_classic.py b/gui/gui_classic.py
index ddab79734..bb9cf7ff7 100644
--- a/gui/gui_classic.py
+++ b/gui/gui_classic.py
@@ -373,7 +373,7 @@ class ElectrumWindow(QMainWindow):
             if old_text:
                 self.wallet.labels.pop(name)
                 changed = True
-        run_hook('set_label', name, text, changed)
+        self.run_hook('set_label', name, text, changed)
         return changed