Payment request parsing on startup now only changes network if a valid network name is specified.

src/qt/paymentserver.cpp

@@ -214,11 +214,15 @@ bool PaymentServer::ipcParseCommandLine(int argc, char* argv[])
             if (readPaymentRequest(arg, request))
             {
                 if (request.getDetails().network() == "main")
+                {
                     SelectParams(CBaseChainParams::MAIN);
-                else
+                }
+                else if (request.getDetails().network() == "test")
+                {
                     SelectParams(CBaseChainParams::TESTNET);
                 }
             }
+        }
         else
         {
             // Printing to debug.log is about the best we can do here, the