diff --git a/ChangeLog b/ChangeLog
index a589945ef2..5d6bb65a7b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sun Nov  9 11:40:50 2014  Tanaka Akira  <akr@fsij.org>
+
+	* defs/known_errors.def: More errors for FreeBSD.
+
 Sun Nov  9 11:25:11 2014  Kazuki Tsujimoto  <kazuki@callcc.net>
 
 	* gems/bundled_gems: upgraded to power_assert 0.2.0.
diff --git a/defs/known_errors.def b/defs/known_errors.def
index 33b83b05f4..b9c490d3a2 100644
--- a/defs/known_errors.def
+++ b/defs/known_errors.def
@@ -144,3 +144,5 @@ EPROGUNAVAIL
 ERPCMISMATCH
 EIPSEC
 EHWPOISON
+ECAPMODE
+ENOTCAPABLE