diff --git a/winsup/cygwin/release/3.1.0 b/winsup/cygwin/release/3.1.0
index 345dd62a5..b0e845657 100644
--- a/winsup/cygwin/release/3.1.0
+++ b/winsup/cygwin/release/3.1.0
@@ -104,3 +104,7 @@ Bug Fixes
 - Fix a security problem if Cygwin is installed into a path
   with spaces in it.
   Addresses: https://cygwin.com/ml/cygwin/2019-11/msg00018.html
+
+- Fix an assertion failure when /cygdrive contains an offline network
+  drive.
+  Addresses: https://cygwin.com/ml/cygwin/2019-12/msg00016.html