diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h
index 642898827..1b11b6349 100644
--- a/src/wallet/wallet.h
+++ b/src/wallet/wallet.h
@@ -283,6 +283,20 @@ public:
     libzcash::SaplingIncomingViewingKey ivk;
     boost::optional<uint256> nullifier;
 
+    ADD_SERIALIZE_METHODS;
+
+    template <typename Stream, typename Operation>
+    inline void SerializationOp(Stream& s, Operation ser_action) {
+        int nVersion = s.GetVersion();
+        if (!(s.GetType() & SER_GETHASH)) {
+            READWRITE(nVersion);
+        }
+        READWRITE(ivk);
+        READWRITE(nullifier);
+        READWRITE(witnesses);
+        READWRITE(witnessHeight);
+    }
+
     friend bool operator==(const SaplingNoteData& a, const SaplingNoteData& b) {
         return (a.ivk == b.ivk && a.nullifier == b.nullifier && a.witnessHeight == b.witnessHeight);
     }
@@ -509,8 +523,10 @@ public:
         READWRITE(nTimeReceived);
         READWRITE(fFromMe);
         READWRITE(fSpent);
-        // TODO:
-        //READWRITE(mapSaplingNoteData);
+
+        if (fOverwintered && nVersion >= SAPLING_TX_VERSION) {
+            READWRITE(mapSaplingNoteData);
+        }
 
         if (ser_action.ForRead())
         {