diff --git a/src/detail/crypto-helpers.cpp b/src/detail/crypto-helpers.cpp
index 3142268..cc09a95 100644
--- a/src/detail/crypto-helpers.cpp
+++ b/src/detail/crypto-helpers.cpp
@@ -356,7 +356,7 @@
   uint8_t tag[16];
   size_t encryptedPayloadLen = aesGcm128Encrypt(payload, payloadSize, associatedData, associatedDataSize,
                                                 key, iv.data(), encryptedPayload.data(), tag);
-  auto content = makeEmptyBlock(tlvType);
+  Block content(tlvType);
   content.push_back(makeBinaryBlock(tlv::InitializationVector, iv.data(), iv.size()));
   content.push_back(makeBinaryBlock(tlv::AuthenticationTag, tag, 16));
   content.push_back(makeBinaryBlock(tlv::EncryptedPayload, encryptedPayload.data(), encryptedPayloadLen));