diff --git a/tests/ftpserver.pl b/tests/ftpserver.pl
index a74a84a4aa..9ca577ec6f 100755
--- a/tests/ftpserver.pl
+++ b/tests/ftpserver.pl
@@ -1296,7 +1296,7 @@ sub COPY_imap {
 sub UID_imap {
     my ($args) = @_;
     my ($command) = split(/ /, $args, 1);
-    fix_imap_params($command, $mailbox);
+    fix_imap_params($command);
 
     logmsg "UID_imap got $args\n";