diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index 8976c69ee1ca3..60c0a15d71505 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -207,7 +207,7 @@ class CMainParams : public CChainParams
             "8441436038339044149526344321901146575444541784240209246165157233507787077498171257724679629263863563732899121548"
             "31438167899885040445364023527381951378636564391212010397122822120720357";
 
-        nZerocoinLastOldParams = 433160;
+        nZerocoinLastOldParams = 453320;
         nMaxZerocoinSpendsPerTransaction = 7; // Assume about 20kb each
         nMinZerocoinMintFee = 1 * CENT; //high fee required for zerocoin mints
         nMintRequiredConfirmations = 20; //the maximum amount of confirmations until accumulated in 19