diff --git a/src/main/java/net/onrc/onos/ofcontroller/flowmanager/web/GetFlowByIdResource.java b/src/main/java/net/onrc/onos/ofcontroller/flowmanager/web/GetFlowByIdResource.java
index 1bfb6a3..1cbeece 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/flowmanager/web/GetFlowByIdResource.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/flowmanager/web/GetFlowByIdResource.java
@@ -41,7 +41,7 @@
 	String flowIdStr = (String) getRequestAttributes().get("flow-id");
 	FlowId flowId = new FlowId(flowIdStr);
 
-	log.debug("Get Flow Id: " + flowIdStr);
+	log.debug("Get Flow Id: {}", flowIdStr);
 
 	result = flowService.getFlow(flowId);