diff --git a/onair/src/reasoning/complex_reasoning_interface.py b/onair/src/reasoning/complex_reasoning_interface.py
index 2c19d91c..2074185f 100644
--- a/onair/src/reasoning/complex_reasoning_interface.py
+++ b/onair/src/reasoning/complex_reasoning_interface.py
@@ -25,7 +25,7 @@ def update_and_render_reasoning(self, high_level_data):
         intelligent_outcomes['complex_systems'] = {}
         for plugin in self.reasoning_constructs:
             plugin.update(high_level_data=intelligent_outcomes)
-            intelligent_outcomes['complex_systems'] |= {plugin.component_name:plugin.render_reasoning()}
+            intelligent_outcomes['complex_systems'].update({plugin.component_name:plugin.render_reasoning()})
         return intelligent_outcomes
 
     def check_for_salient_event(self):