diff --git a/libraries/chain/hardfork.d/599.hf b/libraries/chain/hardfork.d/599.hf
index f92dbf04..6249101d 100644
--- a/libraries/chain/hardfork.d/599.hf
+++ b/libraries/chain/hardfork.d/599.hf
@@ -1,4 +1,4 @@
 // #599 Unpacking of extension is incorrect
 #ifndef HARDFORK_599_TIME
-#define HARDFORK_599_TIME (fc::time_point_sec( 1458752400 ))
+#define HARDFORK_599_TIME (fc::time_point_sec( 1459789200 ))
 #endif