1 files changed, 1 insertions, 1 deletions
diff --git a/opcode.pl b/opcode.pl
index 995ed4f2f0..d2602a2db7 100755
--- a/opcode.pl
+++ b/opcode.pl
@@ -594,7 +594,7 @@ bless		bless			ck_fun		s@	S S?
 
 # Pushy I/O.
 
-backtick	quoted execution (``, qx)	ck_open		t%	S
+backtick	quoted execution (``, qx)	ck_open		tu%	S?
 # glob defaults its first arg to $_
 glob		glob			ck_glob		t@	S?
 readline	<HANDLE>		ck_null		t%	F?