diff --git a/ChangeLog b/ChangeLog
index 4024287..e64b8c2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -10,6 +10,7 @@
      when GCM is used. #441
    * Fix for key exchanges based on ECDH-RSA or ECDH-ECDSA which weren't
      enabled unless others were also present. Found by David Fernandez. #428
+   * Fixed configuration of debug output in cert_app sample program.
 
 Changes
    * Add compile time option for relaxed X509 time verification to enable