diff --git a/src/base58.cpp b/src/base58.cpp
index efce9186f..a6152e692 100644
--- a/src/base58.cpp
+++ b/src/base58.cpp
@@ -313,21 +313,19 @@ bool CBitcoinSecret::SetString(const std::string& strSecret)
     return SetString(strSecret.c_str());
 }
 
-const size_t serializedPaymentAddressSize = 64;
-
 bool CZCPaymentAddress::Set(const libzcash::PaymentAddress& addr)
 {
     CDataStream ss(SER_NETWORK, PROTOCOL_VERSION);
     ss << addr;
     std::vector<unsigned char> addrSerialized(ss.begin(), ss.end());
-    assert(addrSerialized.size() == serializedPaymentAddressSize);
-    SetData(Params().Base58Prefix(CChainParams::ZCPAYMENT_ADDRRESS), &addrSerialized[0], serializedPaymentAddressSize);
+    assert(addrSerialized.size() == libzcash::SerializedPaymentAddressSize);
+    SetData(Params().Base58Prefix(CChainParams::ZCPAYMENT_ADDRRESS), &addrSerialized[0], libzcash::SerializedPaymentAddressSize);
     return true;
 }
 
 libzcash::PaymentAddress CZCPaymentAddress::Get() const
 {
-    if (vchData.size() != serializedPaymentAddressSize) {
+    if (vchData.size() != libzcash::SerializedPaymentAddressSize) {
         throw std::runtime_error(
             "payment address is invalid"
         );
@@ -347,21 +345,19 @@ libzcash::PaymentAddress CZCPaymentAddress::Get() const
     return ret;
 }
 
-const size_t serializedSpendingKeySize = 32;
-
 bool CZCSpendingKey::Set(const libzcash::SpendingKey& addr)
 {
     CDataStream ss(SER_NETWORK, PROTOCOL_VERSION);
     ss << addr;
     std::vector<unsigned char> addrSerialized(ss.begin(), ss.end());
-    assert(addrSerialized.size() == serializedSpendingKeySize);
-    SetData(Params().Base58Prefix(CChainParams::ZCSPENDING_KEY), &addrSerialized[0], serializedSpendingKeySize);
+    assert(addrSerialized.size() == libzcash::SerializedSpendingKeySize);
+    SetData(Params().Base58Prefix(CChainParams::ZCSPENDING_KEY), &addrSerialized[0], libzcash::SerializedSpendingKeySize);
     return true;
 }
 
 libzcash::SpendingKey CZCSpendingKey::Get() const
 {
-    if (vchData.size() != serializedSpendingKeySize) {
+    if (vchData.size() != libzcash::SerializedSpendingKeySize) {
         throw std::runtime_error(
             "spending key is invalid"
         );
diff --git a/src/wallet/crypter.cpp b/src/wallet/crypter.cpp
index 06753bf15..06ace79c6 100644
--- a/src/wallet/crypter.cpp
+++ b/src/wallet/crypter.cpp
@@ -145,7 +145,7 @@ static bool DecryptSpendingKey(const CKeyingMaterial& vMasterKey,
     if(!DecryptSecret(vMasterKey, vchCryptedSecret, address.GetHash(), vchSecret))
         return false;
 
-    if (vchSecret.size() != 32)
+    if (vchSecret.size() != libzcash::SerializedSpendingKeySize)
         return false;
 
     // TODO does this undo the benefits of using CKeyingMaterial?
diff --git a/src/zcash/Address.hpp b/src/zcash/Address.hpp
index f259818af..efae2af22 100644
--- a/src/zcash/Address.hpp
+++ b/src/zcash/Address.hpp
@@ -7,6 +7,9 @@
 
 namespace libzcash {
 
+const size_t SerializedPaymentAddressSize = 64;
+const size_t SerializedSpendingKeySize = 32;
+
 class PaymentAddress {
 public:
     uint256 a_pk;