diff --git a/commonspace/config.go b/commonspace/config.go
index f23f8e33..e5485068 100644
--- a/commonspace/config.go
+++ b/commonspace/config.go
@@ -5,7 +5,7 @@ type ConfigGetter interface {
 }
 
 type Config struct {
-	GCTTL              int  `yaml:"gcTTL"`
-	SyncPeriod         int  `yaml:"syncPeriod"`
-	TreeNoInMemoryData bool `yaml:"treeNoInMemoryData"`
+	GCTTL                int  `yaml:"gcTTL"`
+	SyncPeriod           int  `yaml:"syncPeriod"`
+	KeepTreeDataInMemory bool `yaml:"keepTreeDataInMemory"`
 }
diff --git a/commonspace/spaceservice.go b/commonspace/spaceservice.go
index d59ae751..addf1f7f 100644
--- a/commonspace/spaceservice.go
+++ b/commonspace/spaceservice.go
@@ -154,10 +154,10 @@ func (s *spaceService) NewSpace(ctx context.Context, id string) (Space, error) {
 		syncStatus = syncstatus.NewSyncStatusProvider(st.Id(), syncstatus.DefaultDeps(lastConfiguration, st))
 	}
 	var builder objecttree.BuildObjectTreeFunc
-	if s.config.TreeNoInMemoryData {
-		builder = objecttree.BuildEmptyDataObjectTree
-	} else {
+	if s.config.KeepTreeDataInMemory {
 		builder = objecttree.BuildObjectTree
+	} else {
+		builder = objecttree.BuildEmptyDataObjectTree
 	}
 
 	peerManager, err := s.peermanagerProvider.NewPeerManager(ctx, id)