--- Main.pm	2013-01-29 11:00:08.000000000 +0100
+++ Main-new.pm	2013-01-29 11:08:50.000000000 +0100
@@ -2099,8 +2099,8 @@
 					system qq(xterm -sb -e "$cmd; sleep 1000" &);
 				}
 			}
-		} elsif (Padre::Constant::UNIX) {
-
+		} elsif (Padre::Constant::MAC) {
+			system qq(/usr/X11/bin/xterm -sb -e "$cmd; sleep 1000" &);
 			# tome
 		} else {
 			system qq(xterm -sb -e "$cmd; sleep 1000" &);