diff --git a/ChangeLog b/ChangeLog
index 8459d1e0bb..1f1cf0a049 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2018-05-02  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* sysdeps/unix/sysv/linux/x86_64/swapcontext.S (__swapcontext):
+	Restore the pointer into %rdx, after syscall and use %rdx,
+	instead of %rsi, to restore context.
+
 2018-05-02  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* sysdeps/unix/sysv/linux/x86_64/setcontext.S (__setcontext):