diff --git a/commonspace/config.go b/commonspace/config.go
index f7444fdd..f23f8e33 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"`
-	TreeInMemoryData bool `yaml:"treeInMemoryData"`
+	GCTTL              int  `yaml:"gcTTL"`
+	SyncPeriod         int  `yaml:"syncPeriod"`
+	TreeNoInMemoryData bool `yaml:"treeNoInMemoryData"`
 }
diff --git a/commonspace/spaceservice.go b/commonspace/spaceservice.go
index 69daef67..3f3ed846 100644
--- a/commonspace/spaceservice.go
+++ b/commonspace/spaceservice.go
@@ -154,7 +154,7 @@ 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.TreeInMemoryData {
+	if s.config.TreeNoInMemoryData {
 		builder = objecttree.BuildEmptyDataObjectTree
 	} else {
 		builder = objecttree.BuildObjectTree