diff --git a/ChangeLog b/ChangeLog
index 810015d..ab4e1cd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2007-04-30 Andrew J. Schorr <ajschorr@alumni.princeton.edu>
+
+	* configure.ac: Change gcc CFLAGS from '-std=c99' to '-std=gnu99'
+	  to improve portability.
+
 2007-04-29 Paul Jakma <paul.jakma@sun.com>
 
 	* configure.ac: Bump to 0.99.7