diff --git a/python/src/otel/tests/test_otel.py b/python/src/otel/tests/test_otel.py
index 917ebe0ae6..bfe16a55df 100644
--- a/python/src/otel/tests/test_otel.py
+++ b/python/src/otel/tests/test_otel.py
@@ -59,7 +59,7 @@ def __init__(self, aws_request_id, invoked_function_arn):
 
 MOCK_LAMBDA_CONTEXT = MockLambdaContext(
     aws_request_id="mock_aws_request_id",
-    invoked_function_arn="arn://mock-lambda-function-arn",
+    invoked_function_arn="arn:aws:lambda:us-west-2:123456789012:function:my-function",
 )
 
 MOCK_XRAY_TRACE_ID = 0x5FB7331105E8BB83207FA31D4D9CDB4C