diff --git a/ChangeLog b/ChangeLog
index 5442e497c..64eba326a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2001-09-05  Johan Danielsson  <joda@pdc.kth.se>
+
+	* lib/asn1/lex.l: add another undef ECHO to keep AIX lex happy
+
 2001-09-03  Assar Westerlund  <assar@sics.se>
 
 	* Release 0.4e