diff --git a/web/core/application.py b/web/core/application.py
index d5c2dd3d..6dea5fae 100644
--- a/web/core/application.py
+++ b/web/core/application.py
@@ -257,7 +257,7 @@ def _execute_endpoint(self, context, endpoint, signals):
 			result = e
 		
 		# Execute return value transformation callbacks.
-		for ext in signals.transform: result = ext(context, result)
+		for ext in signals.transform: result = ext(context, endpoint, result)
 		
 		return result