1 files changed, 7 insertions, 1 deletions
diff --git a/src/wallet/walletdb.h b/src/wallet/walletdb.h
index 4d7dfb727e..016296f259 100644
--- a/src/wallet/walletdb.h
+++ b/src/wallet/walletdb.h
@@ -46,9 +46,12 @@ class CHDChain
 {
 public:
     uint32_t nExternalChainCounter;
+    uint32_t nInternalChainCounter;
     CKeyID masterKeyID; //!< master key hash160
 
-    static const int CURRENT_VERSION = 1;
+    static const int VERSION_HD_BASE        = 1;
+    static const int VERSION_HD_CHAIN_SPLIT = 2;
+    static const int CURRENT_VERSION        = VERSION_HD_CHAIN_SPLIT;
     int nVersion;
 
     CHDChain() { SetNull(); }
@@ -58,6 +61,8 @@ public:
     {
         READWRITE(this->nVersion);
         READWRITE(nExternalChainCounter);
+        if (this->nVersion >= VERSION_HD_CHAIN_SPLIT)
+            READWRITE(nInternalChainCounter);
         READWRITE(masterKeyID);
     }
 
@@ -65,6 +70,7 @@ public:
     {
         nVersion = CHDChain::CURRENT_VERSION;
         nExternalChainCounter = 0;
+        nInternalChainCounter = 0;
         masterKeyID.SetNull();
     }
 };