diff --git a/t/uni/caller.t b/t/uni/caller.t
index c48018c1ee..e05f73735d 100644
--- a/t/uni/caller.t
+++ b/t/uni/caller.t
@@ -5,12 +5,13 @@ BEGIN {
     chdir 't' if -d 't';
     require './test.pl';
     set_up_inc('../lib');
-    plan( tests => 18 );
 }
 
 use utf8;
 use open qw( :utf8 :std );
 
+plan( tests => 18 );
+
 package ｍａｉｎ;
 
 {