diff --git a/contrib/gtk-tree-watch.pl b/contrib/gtk-tree-watch.pl
index f15d0c181..30cc64fcf 100755
--- a/contrib/gtk-tree-watch.pl
+++ b/contrib/gtk-tree-watch.pl
@@ -19,7 +19,7 @@
 
 my $tree_store = Gtk2::TreeStore->new(qw/Glib::String/, qw/Glib::String/, qw/Glib::String/, qw/Glib::String/, qw/Glib::String/, qw/Glib::String/, qw/Glib::String/, qw/Glib::String/);
 
-my $i3 = i3("/tmp/nestedcons");
+my $i3 = i3();
 
 my $tree_view = Gtk2::TreeView->new($tree_store);