diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index 19b84a7..a1bd102 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -17,7 +17,7 @@ quarkus.rabbitmq.devservices.port=5672
 
 
 quarkus.otel.exporter.otlp.traces.endpoint=${OTLP_ENDPOINT:http://localhost:4318}
-quarkus.otel.exporter.otlp.traces.protocol=http/protobuf
+quarkus.otel.exporter.otlp.traces.protocol=${OTLP_PROTOCOL:http/protobuf}
 quarkus.otel.enabled=false
 %prod.quarkus.otel.enabled=true