diff --git a/share/man/man4/termios.4 b/share/man/man4/termios.4
index e905ccf9c098..d6f1e1ed0daa 100644
--- a/share/man/man4/termios.4
+++ b/share/man/man4/termios.4
@@ -1511,7 +1511,7 @@ This table lists the array index, the corresponding special character,
 and the system default value.
 For an accurate list of
 the system defaults, consult the header file
-.In ttydefaults.h .
+.In sys/ttydefaults.h .
 .Pp
 .Bl -column "Index Name" "Special Character" -offset indent -compact
 .It Em "Index Name	Special Character	Default Value"