diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index be45511e9..11abeab67 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -2325,7 +2325,8 @@ class CMainParams : public CChainParams
         nMaxMoneyOut = 21000000 * COIN;
 
         /** Height or Time Based Activations **/
-        nLastPOWBlock = 2880; // 2 days @ 1440 per day (PIVX: 259200, Phore 200)
+        //nLastPOWBlock = 2880; // 2 days @ 1440 per day (PIVX: 259200, Phore 200)
+        nLastPOWBlock = 20160; // 14 days @ 1440 per day (PIVX: 259200, Phore 200)
         //if the lowest block height (vSortedByTimestamp[0]) is >= switch height, use new modifier calc
         // nModifierUpdateBlock = 0; // (PIVX: 615800)
         nZerocoinStartHeight = 9999999999999; // (PIVX: 863787, Phore 90000)