diff --git a/NEWS.md b/NEWS.md
index 7adf81596..0bdc6a5b3 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,5 +1,9 @@
 # rxode2 (development version)
 
+## Bug fixes
+
+- Make sure that the object is a uncompressed rxode2 ui for solving with `rxSolve` (See #661)
+
 # rxode2 2.1.2
 
 ## Other changes