diff --git a/viam_cartographer.go b/viam_cartographer.go
index 27d4f2a7..acc664c1 100644
--- a/viam_cartographer.go
+++ b/viam_cartographer.go
@@ -466,14 +466,13 @@ func terminateCartoFacade(ctx context.Context, cartoSvc *CartographerService) er
 type CartographerService struct {
 	resource.Named
 	resource.AlwaysRebuild
+	mu             sync.Mutex
 	SlamMode       cartofacade.SlamMode
+	closed         bool
 	lidar          s.TimedLidar
 	movementSensor s.TimedMovementSensor
 	subAlgo        SubAlgo
 
-	mu     sync.Mutex
-	closed bool
-
 	configParams map[string]string
 
 	cartofacade                cartofacade.Interface