diff --git a/man7/ascii.7 b/man7/ascii.7
index f1c0c8d74..053b13809 100644
--- a/man7/ascii.7
+++ b/man7/ascii.7
@@ -48,7 +48,7 @@ C program \f(CW\(aq\eX\(aq\fP escapes are noted.
 .ft CW
 \}
 .TS
-l l l l l l l l.
+l l l l | l l l l.
 Oct	Dec	Hex	Char	Oct	Dec	Hex	Char
 _
 000	0	00	NUL \(aq\e0\(aq (null character)	100	64	40	@