diff --git a/backend/sharefile/sharefile.go b/backend/sharefile/sharefile.go
index 11bbefa6a..f7cf4c87a 100644
--- a/backend/sharefile/sharefile.go
+++ b/backend/sharefile/sharefile.go
@@ -775,8 +775,13 @@ func (f *Fs) Put(ctx context.Context, in io.Reader, src fs.ObjectInfo, options .
 	}
 }
 
-// PutStream uploads to the remote path with the modTime given of indeterminate size
-func (f *Fs) PutStream(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (fs.Object, error) {
+// FIXMEPutStream uploads to the remote path with the modTime given of indeterminate size
+//
+// PutStream no longer appears to work - the streamed uploads need the
+// size specified at the start otherwise we get this error:
+//
+//	upload failed: file size does not match (-2)
+func (f *Fs) FIXMEPutStream(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (fs.Object, error) {
 	return f.Put(ctx, in, src, options...)
 }
 
@@ -1453,12 +1458,12 @@ func (o *Object) ID() string {
 
 // Check the interfaces are satisfied
 var (
-	_ fs.Fs              = (*Fs)(nil)
-	_ fs.Purger          = (*Fs)(nil)
-	_ fs.Mover           = (*Fs)(nil)
-	_ fs.DirMover        = (*Fs)(nil)
-	_ fs.Copier          = (*Fs)(nil)
-	_ fs.PutStreamer     = (*Fs)(nil)
+	_ fs.Fs       = (*Fs)(nil)
+	_ fs.Purger   = (*Fs)(nil)
+	_ fs.Mover    = (*Fs)(nil)
+	_ fs.DirMover = (*Fs)(nil)
+	_ fs.Copier   = (*Fs)(nil)
+	// _ fs.PutStreamer     = (*Fs)(nil)
 	_ fs.DirCacheFlusher = (*Fs)(nil)
 	_ fs.Object          = (*Object)(nil)
 	_ fs.IDer            = (*Object)(nil)
diff --git a/docs/content/overview.md b/docs/content/overview.md
index 5babe96c8..8057a1a26 100644
--- a/docs/content/overview.md
+++ b/docs/content/overview.md
@@ -473,7 +473,7 @@ upon backend-specific capabilities.
 | Amazon S3 (or S3 compatible) | No    | Yes  | No   | No      | Yes     | Yes   | Yes          | Yes          | No    | No       |
 | Backblaze B2                 | No    | Yes  | No   | No      | Yes     | Yes   | Yes          | Yes          | No    | No       |
 | Box                          | Yes   | Yes  | Yes  | Yes     | Yes ‡‡  | No    | Yes          | Yes          | Yes   | Yes      |
-| Citrix ShareFile             | Yes   | Yes  | Yes  | Yes     | No      | No    | Yes          | No           | No    | Yes      |
+| Citrix ShareFile             | Yes   | Yes  | Yes  | Yes     | No      | No    | No           | No           | No    | Yes      |
 | Dropbox                      | Yes   | Yes  | Yes  | Yes     | No      | No    | Yes          | Yes          | Yes   | Yes      |
 | Enterprise File Fabric       | Yes   | Yes  | Yes  | Yes     | Yes     | No    | No           | No           | No    | Yes      |
 | FTP                          | No    | No   | Yes  | Yes     | No      | No    | Yes          | No           | No    | Yes      |