diff --git a/copyparty/ftpd.py b/copyparty/ftpd.py
index 197ca59d..b0eb8736 100644
--- a/copyparty/ftpd.py
+++ b/copyparty/ftpd.py
@@ -386,7 +386,7 @@ class FtpFs(AbstractedFS):
         svp = join(self.cwd, src).lstrip("/")
         dvp = join(self.cwd, dst).lstrip("/")
         try:
-            self.hub.up2k.handle_mv(self.uname, self.h.cli_ip, svp, dvp)
+            self.hub.up2k.handle_mv("", self.uname, self.h.cli_ip, svp, dvp)
         except Exception as ex:
             raise FSE(str(ex))
 
diff --git a/copyparty/smbd.py b/copyparty/smbd.py
index 2b9b3d77..7caec6cc 100644
--- a/copyparty/smbd.py
+++ b/copyparty/smbd.py
@@ -318,7 +318,7 @@ class SMB(object):
             t = "blocked rename (no-move-acc %s): /%s @%s"
             yeet(t % (vfs1.axs.umove, vp1, uname))
 
-        self.hub.up2k.handle_mv(uname, "1.7.6.2", vp1, vp2)
+        self.hub.up2k.handle_mv("", uname, "1.7.6.2", vp1, vp2)
         try:
             bos.makedirs(ap2, vf=vfs2.flags)
         except: