diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index a81b61820..f2a14b829 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -167,6 +167,7 @@ public:
         fRequireStandard = true;
         fMineBlocksOnDemand = false;
         fSkipProofOfWorkCheck = false;
+        fTestnetToBeDeprecatedFieldRPC = false;
     }
 
     const Checkpoints::CCheckpointData& Checkpoints() const 
@@ -228,6 +229,7 @@ public:
         fAllowMinDifficultyBlocks = true;
         fRequireStandard = false;
         fMineBlocksOnDemand = false;
+        fTestnetToBeDeprecatedFieldRPC = true;
     }
     const Checkpoints::CCheckpointData& Checkpoints() const 
     {
@@ -271,6 +273,7 @@ public:
         fAllowMinDifficultyBlocks = true;
         fRequireStandard = false;
         fMineBlocksOnDemand = true;
+        fTestnetToBeDeprecatedFieldRPC = false;
     }
     const Checkpoints::CCheckpointData& Checkpoints() const 
     {
diff --git a/src/chainparams.h b/src/chainparams.h
index d3b1781b4..21d3b4d52 100644
--- a/src/chainparams.h
+++ b/src/chainparams.h
@@ -72,6 +72,8 @@ public:
     /* Make miner stop after a block is found. In RPC, don't return
      * until nGenProcLimit blocks are generated */
     bool MineBlocksOnDemand() const { return fMineBlocksOnDemand; }
+    /* In the future use NetworkIDString() for RPC fields */
+    bool TestnetToBeDeprecatedFieldRPC() const { return fTestnetToBeDeprecatedFieldRPC; }
     CBaseChainParams::Network NetworkID() const { return networkID; }
     /* Return the BIP70 network string (main, test or regtest) */
     std::string NetworkIDString() const { return strNetworkID; }
@@ -108,6 +110,7 @@ protected:
     bool fRequireStandard;
     bool fMineBlocksOnDemand;
     bool fSkipProofOfWorkCheck;
+    bool fTestnetToBeDeprecatedFieldRPC;
 };
 
 /** Modifiable parameters interface is used by test cases to adapt the parameters in order
diff --git a/src/rpcmining.cpp b/src/rpcmining.cpp
index e794bf69e..c767835a2 100644
--- a/src/rpcmining.cpp
+++ b/src/rpcmining.cpp
@@ -239,7 +239,7 @@ Value getmininginfo(const Array& params, bool fHelp)
     obj.push_back(Pair("genproclimit",     (int)GetArg("-genproclimit", -1)));
     obj.push_back(Pair("networkhashps",    getnetworkhashps(params, false)));
     obj.push_back(Pair("pooledtx",         (uint64_t)mempool.size()));
-    obj.push_back(Pair("testnet",          Params().NetworkID() == CBaseChainParams::TESTNET));
+    obj.push_back(Pair("testnet",          Params().TestnetToBeDeprecatedFieldRPC()));
     obj.push_back(Pair("chain",            Params().NetworkIDString()));
 #ifdef ENABLE_WALLET
     obj.push_back(Pair("generate",         getgenerate(params, false)));
diff --git a/src/rpcmisc.cpp b/src/rpcmisc.cpp
index dd45eefd5..8be14b567 100644
--- a/src/rpcmisc.cpp
+++ b/src/rpcmisc.cpp
@@ -87,7 +87,7 @@ Value getinfo(const Array& params, bool fHelp)
     obj.push_back(Pair("connections",   (int)vNodes.size()));
     obj.push_back(Pair("proxy",         (proxy.IsValid() ? proxy.ToStringIPPort() : string())));
     obj.push_back(Pair("difficulty",    (double)GetDifficulty()));
-    obj.push_back(Pair("testnet",       Params().NetworkID() == CBaseChainParams::TESTNET));
+    obj.push_back(Pair("testnet",       Params().TestnetToBeDeprecatedFieldRPC()));
 #ifdef ENABLE_WALLET
     if (pwalletMain) {
         obj.push_back(Pair("keypoololdest", pwalletMain->GetOldestKeyPoolTime()));