diff --git a/doc/Changelog b/doc/Changelog
index 02ad18bbe..72c736a98 100644
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -29,6 +29,7 @@
 	  compat definition of MAP_ANON, for older systems.
 	  ifdef stdint.h inclusion for older systems.
 	  ifdef sha2.h inclusion for older systems.
+	- Fixed Compat Code Diverging from Upstream, reported by X41 D-Sec.
 
 19 November 2019: Wouter
 	- Fix CVE-2019-18934, shell execution in ipsecmod.