diff --git a/rw_core/core/device/agent_flow.go b/rw_core/core/device/agent_flow.go
index 4589b91..3b04c02 100644
--- a/rw_core/core/device/agent_flow.go
+++ b/rw_core/core/device/agent_flow.go
@@ -231,7 +231,7 @@
 		return coreutils.DoneResponse(), status.Errorf(codes.Aborted, "%s", err)
 	}
 	if device.OperStatus != voltha.OperStatus_ACTIVE || device.ConnectStatus != voltha.ConnectStatus_REACHABLE || device.AdminState != voltha.AdminState_ENABLED {
-		desc = fmt.Sprint("invalid device states")
+		desc = "invalid device states"
 		agent.logDeviceUpdate(ctx, "updateFlowsToAdapter", nil, nil, operStatus, &desc)
 		return coreutils.DoneResponse(), status.Errorf(codes.FailedPrecondition, "invalid device states")
 	}