diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index 16df50d33967e..5b8b8aa4ffc85 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -67,7 +67,7 @@ class CMainParams : public CChainParams {
 
         base58Prefixes[PUBKEY_ADDRESS] = list_of(76); // Darkcoin addresses start with X
         base58Prefixes[SCRIPT_ADDRESS] = list_of(5);
-        base58Prefixes[SECRET_KEY] =     list_of(128);
+        base58Prefixes[SECRET_KEY] =     list_of(204);
         base58Prefixes[EXT_PUBLIC_KEY] = list_of(0x04)(0x88)(0xB2)(0x1E);
         base58Prefixes[EXT_SECRET_KEY] = list_of(0x04)(0x88)(0xAD)(0xE4);
 
@@ -133,7 +133,7 @@ class CTestNetParams : public CMainParams {
 
         base58Prefixes[PUBKEY_ADDRESS] = list_of(138); // Testnet v4 addresses start with x
         base58Prefixes[SCRIPT_ADDRESS] = list_of(196);
-        base58Prefixes[SECRET_KEY]     = list_of(239);
+        base58Prefixes[SECRET_KEY]     = list_of(266);
         base58Prefixes[EXT_PUBLIC_KEY] = list_of(0x04)(0x35)(0x87)(0xCF);
         base58Prefixes[EXT_SECRET_KEY] = list_of(0x04)(0x35)(0x83)(0x94);
     }