1 files changed, 4 insertions, 4 deletions

diff --git a/t/Nagios-Plugin-Threshold.t b/t/Nagios-Plugin-Threshold.t
index 764f7b0..97d4fcc 100644
--- a/t/Nagios-Plugin-Threshold.t
+++ b/t/Nagios-Plugin-Threshold.t
@@ -8,14 +8,14 @@ Nagios::Plugin::Base->print_on_die(0);
 
 my $t = Nagios::Plugin::Threshold->set_thresholds(critical => "80");
 ok( defined $t, "Threshold ('', '80') set");
-ok( ! defined $t->warning, "Warning not set");
+ok( ! $t->warning->is_set, "Warning not set");
 cmp_ok( $t->critical->end, '==', 80, "Critical set correctly");
 
 $t = Nagios::Plugin::Threshold->set_thresholds(warning => "5:33", critical => "");
 ok( defined $t, "Threshold ('5:33', '') set");
 cmp_ok( $t->warning->start, '==', 5, "Warning start set");
 cmp_ok( $t->warning->end, '==',   33, "Warning end set");
-ok( ! defined $t->critical, "Critical not set");
+ok( ! $t->critical->is_set, "Critical not set");
 
 $t = Nagios::Plugin::Threshold->set_thresholds(warning => "30", critical => "60");
 ok( defined $t, "Threshold ('30', '60') set");
@@ -27,6 +27,6 @@ cmp_ok( $t->get_status(69), '==', $ERRORS{CRITICAL}, "69 - critical");
 
 $t = Nagios::Plugin::Threshold->set_thresholds(warning => "total", critical => "rubbish");
 ok( defined $t, "Threshold object created although ...");
-ok( ! defined $t->warning, "Warning not set");
-ok( ! defined $t->critical, "Critical not set");
+ok( ! $t->warning->is_set, "Warning not set");
+ok( ! $t->critical->is_set, "Critical not set");