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-rwxr-xr-xperl-install/standalone/tinyfirewall2
1 files changed, 1 insertions, 1 deletions
diff --git a/perl-install/standalone/tinyfirewall b/perl-install/standalone/tinyfirewall
index 86f59e5cb..df01e76e9 100755
--- a/perl-install/standalone/tinyfirewall
+++ b/perl-install/standalone/tinyfirewall
@@ -32,7 +32,7 @@ local $_ = join '', @ARGV;
my $in = 'interactive'->vnew('su', 'default');
-$::isEmbedded && ref($in) =~ /gtk/ or goto dd;
+$::isEmbedded && $in->isa('interactive_gtk') or goto dd;
require Gtk;
init Gtk;