diff --git a/lib/libc/sys/mq_open.2 b/lib/libc/sys/mq_open.2
index ef6154b7ff5..9b02d509c52 100644
--- a/lib/libc/sys/mq_open.2
+++ b/lib/libc/sys/mq_open.2
@@ -133,7 +133,7 @@ Create a message queue.
 It requires two additional arguments:
 .Fa mode ,
 which is of type
-.Vt mode_t ,
+.Vt int ,
 and
 .Fa attr ,
 which is a pointer to an
diff --git a/lib/libc/sys/open.2 b/lib/libc/sys/open.2
index fe50b292d1b..a771461e2e4 100644
--- a/lib/libc/sys/open.2
+++ b/lib/libc/sys/open.2
@@ -61,7 +61,7 @@ In this case
 and
 .Fn openat
 require an additional argument
-.Fa "mode_t mode" ,
+.Fa "int mode" ,
 and the file is created with mode
 .Fa mode
 as described in