diff --git a/helper/tt2-daemon b/helper/tt2-daemon
index 0a73d07f..25bc9019 100755
--- a/helper/tt2-daemon
+++ b/helper/tt2-daemon
@@ -30,7 +30,7 @@ sub daemonize {
     defined(my $pid = fork)        or croak "Can't fork: $ERRNO";
     exit if $pid;
     setsid                         or croak "Can't start a new session: $ERRNO";
-    open(STDERR, '>', '&STDOUT')   or croak "Can't dup stdout: $ERRNO";
+    open(STDERR, '>&', \*STDOUT)   or croak "Can't dup stdout: $ERRNO";
     return;
 }