1 files changed, 4 insertions, 3 deletions
diff --git a/src/chainparamsbase.h b/src/chainparamsbase.h
index fc101f5b77..2cb860380e 100644
--- a/src/chainparamsbase.h
+++ b/src/chainparamsbase.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2014-2015 The Bitcoin Core developers
+// Copyright (c) 2014-2017 The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
@@ -24,9 +24,10 @@ public:
     const std::string& DataDir() const { return strDataDir; }
     int RPCPort() const { return nRPCPort; }
 
-protected:
-    CBaseChainParams() {}
+    CBaseChainParams() = delete;
+    CBaseChainParams(const std::string& data_dir, int rpc_port) : nRPCPort(rpc_port), strDataDir(data_dir) {}
 
+private:
     int nRPCPort;
     std::string strDataDir;
 };