diff --git a/plugins/keepkey/qt.py b/plugins/keepkey/qt.py
index 7ed2c2d2..44735bbd 100644
--- a/plugins/keepkey/qt.py
+++ b/plugins/keepkey/qt.py
@@ -2,5 +2,5 @@ from plugins.trezor.qt_generic import QtPlugin
 from keepkeylib.qt.pinmatrix import PinMatrixWidget
 
 class Plugin(QtPlugin):
-    handler_class = KeepKeyQtHandler
+    pin_matrix_widget_class = PinMatrixWidget
     icon_file = ":icons/keepkey.png"