diff --git a/lib/asn1/ChangeLog b/lib/asn1/ChangeLog
index 7770603ea..a305f7adc 100644
--- a/lib/asn1/ChangeLog
+++ b/lib/asn1/ChangeLog
@@ -1,5 +1,7 @@
 2006-10-14  Love Hörnquist Åstrand  <lha@it.su.se>
 
+	* check-der.c: Prefix primitive types with der_.
+
 	* timegm.c: rename the buildin timegm to _der_timegm
 
 	* heim_asn1.h: move prototype away from here.