diff --git a/doc/Changelog b/doc/Changelog
index 066a4707e..560e22ca3 100644
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -1,3 +1,7 @@
+3 December 2019: Wouter
+	- Merge pull request #124 from rmetrich: Changed log lock
+	  from 'quick' to 'basic' because this is an I/O lock.
+
 2 December 2019: Wouter
 	- Merge pull request #122 from he32: In tcp_callback_writer(),
 	  don't disable time-out when changing to read.