diff --git a/backend/uptobox/uptobox.go b/backend/uptobox/uptobox.go
index ad827377b..4f09ad8e6 100644
--- a/backend/uptobox/uptobox.go
+++ b/backend/uptobox/uptobox.go
@@ -923,7 +923,8 @@ func (o *Object) Remote() string {
 // It attempts to read the objects mtime and if that isn't present the
 // LastModified returned in the http headers
 func (o *Object) ModTime(ctx context.Context) time.Time {
-	return time.Now()
+	ci := fs.GetConfig(ctx)
+	return time.Time(ci.DefaultTime)
 }
 
 // Size returns the size of an object in bytes
diff --git a/docs/content/uptobox.md b/docs/content/uptobox.md
index 7324058fc..7f6e750ab 100644
--- a/docs/content/uptobox.md
+++ b/docs/content/uptobox.md
@@ -84,7 +84,8 @@ To copy a local directory to an Uptobox directory called backup
 
 ### Modified time and hashes
 
-Uptobox supports neither modified times nor checksums.
+Uptobox supports neither modified times nor checksums. All timestamps
+will read as that set by `--default-time`.
 
 ### Restricted filename characters