diff --git a/t/12_unicode.t b/t/12_unicode.t
index 13dbc72..a0fc2c8 100644
--- a/t/12_unicode.t
+++ b/t/12_unicode.t
@@ -9,8 +9,9 @@ BEGIN {
 	$^W = 1;
 }
 
-use Test::More tests => 16;
-use Test::NoWarnings;
+my $have_nowarnings;
+BEGIN { eval 'use Test::NoWarnings; $have_nowarnings = 1' };
+use Test::More tests => 15+($have_nowarnings || 0);
 use t::lib::Test;
 
 #