diff --git a/python_modules/dagster/dagster/_core/definitions/op_invocation.py b/python_modules/dagster/dagster/_core/definitions/op_invocation.py
index 7a3254413eb69..64bb2d01c3a58 100644
--- a/python_modules/dagster/dagster/_core/definitions/op_invocation.py
+++ b/python_modules/dagster/dagster/_core/definitions/op_invocation.py
@@ -538,6 +538,6 @@ def _type_check_output(
             dagster_type=dagster_type,
         )
 
-    context.execution_properties.observe_output(
+    context.observe_output(
         output_def.name, output.mapping_key if isinstance(output, DynamicOutput) else None
     )