diff --git a/csshX b/csshX
index a9d6015..7b77f9b 100755
--- a/csshX
+++ b/csshX
@@ -1190,7 +1190,7 @@ sub parse_user_host_port {
 package CsshX::Launcher;
 
 use base    qw(CsshX::Socket::Selectable);
-use POSIX   qw(tmpnam);
+use File::Temp qw/ :POSIX /;
 use FindBin qw($Bin $Script);;
 
 sub new {