diff --git a/nion/ui/PyQtProxy.py b/nion/ui/PyQtProxy.py
index 43fa0cc..449bbd6 100644
--- a/nion/ui/PyQtProxy.py
+++ b/nion/ui/PyQtProxy.py
@@ -446,7 +446,6 @@ class PyRadioButton(QtWidgets.QRadioButton):
     def __init__(self) -> None:
         super().__init__()
         self.object = None
-        self.setAutoExclusive(False)
         self.clicked.connect(self.__clicked)
 
     def __clicked(self):