diff --git a/pyqtgraph/flowchart/library/common.py b/pyqtgraph/flowchart/library/common.py
index 8b3376c3..1f5613c9 100644
--- a/pyqtgraph/flowchart/library/common.py
+++ b/pyqtgraph/flowchart/library/common.py
@@ -91,14 +91,15 @@ class CtrlNode(Node):
     sigStateChanged = QtCore.Signal(object)
     
     def __init__(self, name, ui=None, terminals=None):
+        if terminals is None:
+            terminals = {'In': {'io': 'in'}, 'Out': {'io': 'out', 'bypass': 'In'}}
+        Node.__init__(self, name=name, terminals=terminals)
+        
         if ui is None:
             if hasattr(self, 'uiTemplate'):
                 ui = self.uiTemplate
             else:
                 ui = []
-        if terminals is None:
-            terminals = {'In': {'io': 'in'}, 'Out': {'io': 'out', 'bypass': 'In'}}
-        Node.__init__(self, name=name, terminals=terminals)
         
         self.ui, self.stateGroup, self.ctrls = generateUi(ui)
         self.stateGroup.sigChanged.connect(self.changed)