diff --git a/CHANGES/v2.5.md b/CHANGES/v2.5.md
index 82207def27dfa0de75ec688ff2032700bd555103..4c533ac73597a9e73dca4f6caa2ed1785e387aca 100644
--- a/CHANGES/v2.5.md
+++ b/CHANGES/v2.5.md
@@ -222,5 +222,6 @@ For developers:
 
 For users:
 - Report an error when using all weights set to zero in reference PDB files. Same as \issue{247} fixed in 2.4, but now the check is done in more cases.
+- Fixed overflow in reweighting factor when using non well-tempered metadynamics (thanks to Michele Invernizzi, see \issue{599}).