1 files changed, 1 insertions, 1 deletions
diff --git a/t/test.pl b/t/test.pl
index ac6bbb7938..6529b9243e 100644
--- a/t/test.pl
+++ b/t/test.pl
@@ -265,7 +265,7 @@ sub BAILOUT {
 
 # A way to display scalars containing control characters and Unicode.
 sub display {
-    join("", map { $_ > 255 ? sprintf("\\x{%x}", $_) : chr($_) =~ /[[:cntrl:]]/ ? sprintf("\\%03o", $_) : chr($_) } unpack("U*", $_[0]));
+    map { join("", map { $_ > 255 ? sprintf("\\x{%x}", $_) : chr($_) =~ /[[:cntrl:]]/ ? sprintf("\\%03o", $_) : chr($_) } unpack("U*", $_) } @_;
 }