diff --git a/src/rpc/mining.cpp b/src/rpc/mining.cpp
index 409ab0137..b1bb404d2 100644
--- a/src/rpc/mining.cpp
+++ b/src/rpc/mining.cpp
@@ -878,6 +878,7 @@ UniValue submitblock(const UniValue& params, bool fHelp)
         );
 
     CBlock block;
+    //LogPrintStr("Hex block submission: " + params[0].get_str());
     if (!DecodeHexBlk(block, params[0].get_str()))
         throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "Block decode failed");
 
@@ -903,6 +904,7 @@ UniValue submitblock(const UniValue& params, bool fHelp)
     CValidationState state;
     submitblock_StateCatcher sc(block.GetHash());
     RegisterValidationInterface(&sc);
+    //printf("submitblock, height=%d, coinbase sequence: %d, scriptSig: %s\n", chainActive.LastTip()->GetHeight()+1, block.vtx[0].vin[0].nSequence, block.vtx[0].vin[0].scriptSig.ToString().c_str());
     bool fAccepted = ProcessNewBlock(1,chainActive.LastTip()->GetHeight()+1,state, NULL, &block, true, NULL);
     UnregisterValidationInterface(&sc);
     if (fBlockPresent)
diff --git a/src/util.cpp b/src/util.cpp
index 9a8391f63..5ce7c4967 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -556,6 +556,12 @@ static boost::filesystem::path ZC_GetBaseParamsDir()
     // Unix: ~/.zcash-params
 #ifdef _WIN32
     // Windows
+    if (mapArgs.count("-zcashparamsdir")) {
+        path = fs::system_complete(mapArgs["-zcashparamsdir"]);
+        if (fs::is_directory(path)) {
+            return path;
+        }
+    }
     return GetSpecialFolderPath(CSIDL_APPDATA) / "ZcashParams";
 #else
     fs::path pathRet;