diff --git a/libethereum/State.cpp b/libethereum/State.cpp
index e9e21d9fe..fd3c68f98 100644
--- a/libethereum/State.cpp
+++ b/libethereum/State.cpp
@@ -103,10 +103,10 @@ void State::ensureCached(Address _a, bool _requireMemory, bool _forceCreate) con
 		TrieDB<u256, Overlay> memdb(const_cast<Overlay*>(&m_db), it->second.oldRoot());		// promise we won't alter the overlay! :)
 		map<u256, u256>& mem = it->second.takeMemory();
 		for (auto const& i: memdb)
-            if(mem.find(i.first)==mem.end())
-                mem.insert(std::pair<u256,u256>(i.first,RLP(i.second).toInt<u256>()));
-            else
-                mem.at(i.first) = RLP(i.second).toInt<u256>();
+			if(mem.find(i.first)==mem.end())
+				mem.insert(std::pair<u256,u256>(i.first,RLP(i.second).toInt<u256>()));
+			else
+				mem.at(i.first) = RLP(i.second).toInt<u256>();
 	}
 }
 
@@ -568,10 +568,10 @@ void State::executeBare(Transaction const& _t, Address _sender)
 		m_cache[newAddress] = AddressState(0, 0, sha3(RLPNull));
 		auto& mem = m_cache[newAddress].takeMemory();
 		for (uint i = 0; i < _t.data.size(); ++i)
-            if(mem.find(i)==mem.end())
-                mem.insert(std::pair<u256,u256>(i,_t.data[i]));
-            else
-                mem.at(i) = _t.data[i];
+			if(mem.find(i)==mem.end())
+				mem.insert(std::pair<u256,u256>(i,_t.data[i]));
+			else
+				mem.at(i) = _t.data[i];
         
 		subBalance(_sender, _t.value + _t.fee);
 		addBalance(newAddress, _t.value);
@@ -608,13 +608,13 @@ void State::execute(Address _myAddress, Address _txSender, u256 _txValue, u256 _
 	auto setMem = [&](u256 _n, u256 _v)
 	{
 		if (_v) {
-            if(myMemory.find(_n)==myMemory.end())
-                myMemory.insert(std::pair<u256,u256>(_n,_v));
-            else
-                myMemory.at(_n) = _v;
+			if(myMemory.find(_n)==myMemory.end())
+				myMemory.insert(std::pair<u256,u256>(_n,_v));
+			else
+				myMemory.at(_n) = _v;
 		} else {
-            myMemory.erase(_n);
-        }
+			myMemory.erase(_n);
+		}
 	};
 
 	u256 curPC = 0;