diff --git a/man2/clock_getres.2 b/man2/clock_getres.2
index 71f7f8dfa..26f559859 100644
--- a/man2/clock_getres.2
+++ b/man2/clock_getres.2
@@ -260,7 +260,7 @@ specified in a call to
 .BR clock_settime ()
 is not a settable clock.
 .TP
-.B EOPNOTSUPP
+.B ENOTSUP
 The operation is not supported by the dynamic POSIX clock device
 specified.
 .TP