diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index c4c8d2a11..869e5638d 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -147,10 +147,10 @@ public:
         consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = 1230767999; // December 31, 2008
 
         // The best chain should have at least this much work.
-        consensus.nMinimumChainWork = uint256S("00000000000000000000000000000000000000000000024108e3204a44a57a5a"); //621000
+        consensus.nMinimumChainWork = uint256S("0000000000000000000000000000000000000000000002bfdb5232f364d6774e"); //700k
 
         // By default assume that the signatures in ancestors of this block are valid.
-        consensus.defaultAssumeValid = uint256S("7899464514d0d8854919e87eb234fd5f0c35d06418bd5fd3c1a8f7092b2a9317"); //620000
+        consensus.defaultAssumeValid = uint256S("beaf6432c9a7be3ea8c333bd7a90d4b3e07b0f20c86aa2e5dfebc9eba340201c"); //700k
 
         /**
          * The message start string is designed to be unlikely to occur in normal data.
diff --git a/src/netbase.cpp b/src/netbase.cpp
index 0148aea42..31aa952c6 100644
--- a/src/netbase.cpp
+++ b/src/netbase.cpp
@@ -345,9 +345,10 @@ static IntrRecvError InterruptibleRecv(uint8_t* data, size_t len, int timeout, c
                 // we're approaching the end of the specified total timeout
                 int timeout_ms = std::min(endTime - curTime, maxWait);
 #ifdef USE_POLL
-                struct pollfd pollfd = {};
+                struct pollfd pollfd;
                 pollfd.fd = hSocket;
                 pollfd.events = POLLIN;
+                pollfd.revents = 0;
                 int nRet = poll(&pollfd, 1, timeout_ms);
 #else
                 struct timeval tval = MillisToTimeval(timeout_ms);
@@ -634,9 +635,10 @@ bool ConnectSocketDirectly(const CService &addrConnect, const SOCKET& hSocket, i
             // asynchronously. Thus, use async I/O api (select/poll)
             // synchronously to check for successful connection with a timeout.
 #ifdef USE_POLL
-            struct pollfd pollfd = {};
+            struct pollfd pollfd;
             pollfd.fd = hSocket;
             pollfd.events = POLLIN | POLLOUT;
+            pollfd.revents = 0;
             int nRet = poll(&pollfd, 1, nTimeout);
 #else
             struct timeval timeout = MillisToTimeval(nTimeout);