diff --git a/RELEASE_NOTES b/RELEASE_NOTES
index 27b45c658..2c6d07a9e 100644
--- a/RELEASE_NOTES
+++ b/RELEASE_NOTES
@@ -34,6 +34,7 @@ Bugs fixed
 - Bug 1821 - Setting an interface to Down state will cause various asserts in IPv6
 - Bug 1837 - AODV crashes when using multiple interfaces
 - Bug 1838 - FlowMonitorHelper must not be copied.
+- Bug 1841 - FlowMonitor fails to install if IPv4 is not installed in the node
 
 Release 3.19
 =============