diff --git a/src/main.cpp b/src/main.cpp
index 54683db07..47417e894 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -367,7 +367,7 @@ void ProcessBlockAvailability(NodeId nodeid) {
 
     if (!state->hashLastUnknownBlock.IsNull()) {
         BlockMap::iterator itOld = mapBlockIndex.find(state->hashLastUnknownBlock);
-        if (itOld != 0 && itOld->second != 0 && itOld != mapBlockIndex.end() && itOld->second->nChainWork > 0)
+        if (itOld->second != 0 && itOld != mapBlockIndex.end() && itOld->second->nChainWork > 0)
         {
             if (state->pindexBestKnownBlock == NULL || itOld->second->nChainWork >= state->pindexBestKnownBlock->nChainWork)
                 state->pindexBestKnownBlock = itOld->second;