diff --git a/general-info/release-19a.txt b/general-info/release-19a.txt
index 4d6a8876f0d05c39b241a170ab5bbd1e53425630..c27cac7aa824f8672755b18928765224b373605d 100644
--- a/general-info/release-19a.txt
+++ b/general-info/release-19a.txt
@@ -175,6 +175,7 @@ New in this release:
      - SIGPROF having the wrong value on GNU/Linux.
      - Wrong byte-code being generated for (APPLY #'+ <X> <Y>) and
        similar cases.
+     - GCD sometimes returning a negative value.
 
   * Other changes:
      - CREATE-REQUEST-SERVER has an additional :reuse-address keyword