diff --git a/README.rst b/README.rst
index 8cb3857..2f1dce0 100644
--- a/README.rst
+++ b/README.rst
@@ -25,6 +25,7 @@ Fixed Compiler Warnings:
 Build System:  
 ------------
 - fix for https://github.com/beltoforion/muparser/issues/127 (minimum required cmake version set to 3.15)
+- fix for https://github.com/beltoforion/muparser/issues/123 (Strange behavior of the postfix operator on macOS)
 
 Change Notes for Revision 2.3.4  
 ===========================