diff --git a/secop/gui/nodectrl.py b/secop/gui/nodectrl.py
index 63b383e..b11211d 100644
--- a/secop/gui/nodectrl.py
+++ b/secop/gui/nodectrl.py
@@ -141,15 +141,18 @@ class NodeCtrl(QWidget):
             description = modprops['description']
 
             # fallback: allow (now) invalid 'Driveable'
-            if 'Drivable' in interfaces or 'Driveable' in interfaces:
-                widget = DrivableWidget(self._node, modname, self)
-                unit = self._node.getProperties(modname, 'value').get('unit', '')
-            elif 'Readable' in interfaces:
-                widget = ReadableWidget(self._node, modname, self)
-                unit = self._node.getProperties(modname, 'value').get('unit', '')
-            else:
-                widget = QLabel('Unsupported Interfaceclass %r' % interfaces)
-                unit = ''
+            try:
+                if 'Drivable' in interfaces or 'Driveable' in interfaces:
+                    widget = DrivableWidget(self._node, modname, self)
+                    unit = self._node.getProperties(modname, 'value').get('unit', '')
+                elif 'Readable' in interfaces:
+                    widget = ReadableWidget(self._node, modname, self)
+                    unit = self._node.getProperties(modname, 'value').get('unit', '')
+                else:
+                    widget = QLabel('Unsupported Interfaceclass %r' % interfaces)
+                    unit = ''
+            except Exception as e:
+                widget = QLabel('Bad configured Module %s! (%s)' % (modname, e))
 
 
             if unit: