diff --git a/CHANGELOG.md b/CHANGELOG.md
index d1086a9f..b9fd085c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,11 @@ will consitute of a breaking change warranting a new major release:
 
 # [unreleased]
 
+## Fixed
+
+- Heaters set to `EXTERNAL CONTROL` no longer can be switched off by the `TCS Controller`, if
+  they violate the maximum burn duration of the controller.
+
 # [v7.7.2] 2024-03-06
 
 ## Fixed