diff --git a/lib/libsys/pdfork.2 b/lib/libsys/pdfork.2
index ac11f3bbfda8..99248a84925b 100644
--- a/lib/libsys/pdfork.2
+++ b/lib/libsys/pdfork.2
@@ -231,7 +231,7 @@ in the process specified by the
 .Fa fd
 process descriptor.
 The returned file descriptor has the
-.Va O_CLOEXEC
+.Dv O_CLOEXEC
 flag set.
 The
 .Fa flags