diff --git a/t/Checker.pm b/t/Checker.pm
index 9c80848..11d24ec 100644
--- a/t/Checker.pm
+++ b/t/Checker.pm
@@ -1,6 +1,7 @@
 package Checker;
 
-@ISA = qw(Exporter);
+use Exporter 'import';
+
 @EXPORT = qw($CHECK okay_if note check filter_warnings);
 
 $Checker::OUTPUT = 1;