diff --git a/src/txdb.cpp b/src/txdb.cpp
index 33a960a82..1a9b1bf8e 100644
--- a/src/txdb.cpp
+++ b/src/txdb.cpp
@@ -266,6 +266,8 @@ bool CBlockTreeDB::ReadFlag(const std::string &name, bool &fValue) {
     return true;
 }
 
+void komodo_index2pubkey33(uint8_t *pubkey33,CBlockIndex *pindex);
+
 bool CBlockTreeDB::LoadBlockIndexGuts()
 {
     boost::scoped_ptr<leveldb::Iterator> pcursor(NewIterator());