diff --git a/src/cpp-utils/crypto/symmetric/EncryptionKey.h b/src/cpp-utils/crypto/symmetric/EncryptionKey.h
index 48ed8269..ceff107f 100644
--- a/src/cpp-utils/crypto/symmetric/EncryptionKey.h
+++ b/src/cpp-utils/crypto/symmetric/EncryptionKey.h
@@ -69,6 +69,9 @@ private:
     std::shared_ptr<EncryptionKeyData> _key;
 };
 
+template<size_t KeySize> constexpr size_t EncryptionKey<KeySize>::BINARY_LENGTH;
+template<size_t KeySize> constexpr size_t EncryptionKey<KeySize>::STRING_LENGTH;
+
 template<size_t KeySize>
 inline EncryptionKey<KeySize>::EncryptionKeyData::EncryptionKeyData(const FixedSizeData<KeySize>& keyData)
 : key(keyData)
diff --git a/src/stats/main.cpp b/src/stats/main.cpp
index 575960f7..2f2d9d4b 100644
--- a/src/stats/main.cpp
+++ b/src/stats/main.cpp
@@ -58,7 +58,7 @@ set<Key> _getBlockstoreUnaccountedBlocks(const CryConfig &config) {
     i = 0;
     cout << "\nRemove blocks that have a parent" << endl;
     //Remove root block from unaccountedBlocks
-    unaccountedBlocks.erase(Key::FrComString(config.RootBlob()));
+    unaccountedBlocks.erase(Key::FromString(config.RootBlob()));
     //Remove all blocks that have a parent node from unaccountedBlocks
     for (auto file = directory_iterator("/home/heinzi/basedir"); file != directory_iterator(); ++file) {
         cout << "\r" << (++i) << "/" << numBlocks << flush;
@@ -148,4 +148,4 @@ int main() {
         }
     }
     cout << "\n" << numLeaves << " leaves and " << numInner << " inner nodes" << endl;
-}
\ No newline at end of file
+}