diff --git a/core/execution/monitor.py b/core/execution/monitor.py
index bfe9d31..030a333 100644
--- a/core/execution/monitor.py
+++ b/core/execution/monitor.py
@@ -34,7 +34,7 @@ def buildMonitor(monitor, outputs):
         module = filter["execute"]
 
         if module.kind == "action":
-            outputs, response = buildAction(module, outputs, None)
+            response = buildAction(module, outputs, None)
         if module.kind == "operation":
             outputs, responses = buildOperation(module, outputs)
             response = responses