diff --git a/man2/msgctl.2 b/man2/msgctl.2
index 88c7990ab..049269be5 100644
--- a/man2/msgctl.2
+++ b/man2/msgctl.2
@@ -88,7 +88,7 @@ struct ipc_perm {
     uid_t          cuid;        /* Effective UID of creator */
     gid_t          cgid;        /* Effective GID of creator */
     unsigned short \fBmode\fP;        /* Permissions */
-    unsigned __short seq;       /* Sequence number */
+    unsigned short __seq;       /* Sequence number */
 };
 .in
 .fi