diff --git a/RELEASE_NOTES b/RELEASE_NOTES
index b39e32ad5..b7c3a9418 100644
--- a/RELEASE_NOTES
+++ b/RELEASE_NOTES
@@ -71,6 +71,7 @@ Bugs fixed
 - Bug 1853 - NS_LOG_FUNCTION broken on OSX 10.9
 - Bug 1855 - SixLowPanNetDevice is not correctly indexed
 - Bug 1862 - NS_LOG="Time=*|prefix_time" causes stack overflow
+- Bug 1868 - Optimized builds are sensitive to -fstrict-overflow
 - Bug 1870 - Remove unnecessary AsInt functions
 - Bug 1872 - Inside RREQ processing, in case of IP duplication, packet dropped instead of being forwarded
 - Bug 1873 - Energy source checked to be aggregated to the node