diff --git a/src/spork.h b/src/spork.h
index c77c7be2f..bc31ba289 100644
--- a/src/spork.h
+++ b/src/spork.h
@@ -55,7 +55,7 @@ using namespace boost;
 #define SPORK_13_ENABLE_SUPERBLOCKS_DEFAULT 4070908800            //OFF
 #define SPORK_14_NEW_PROTOCOL_ENFORCEMENT_DEFAULT 4070908800      //OFF
 #define SPORK_15_NEW_PROTOCOL_ENFORCEMENT_2_DEFAULT 4070908800    //OFF
-#define SPORK_16_ZEROCOIN_MAINTENANCE_MODE_DEFAULT 978307200     //OFF
+#define SPORK_16_ZEROCOIN_MAINTENANCE_MODE_DEFAULT 4070908800     //OFF
 
 class CSporkMessage;
 class CSporkManager;