diff --git a/python/src/otel/otel_sdk/otel-instrument b/python/src/otel/otel_sdk/otel-instrument
index 47c35d2da6..15dcef7fbc 100755
--- a/python/src/otel/otel_sdk/otel-instrument
+++ b/python/src/otel/otel_sdk/otel-instrument
@@ -103,7 +103,7 @@ fi
 # - Set the propagators
 
 if [[ -z "$OTEL_PROPAGATORS" ]]; then
-  export OTEL_PROPAGATORS="tracecontext,baggage,xray"
+  export OTEL_PROPAGATORS="tracecontext,baggage,xray,xray_lambda"
 fi
 
 # - Set the Resource Detectors (Resource Attributes)