diff --git a/src/cpp/ripple/LedgerConsensus.cpp b/src/cpp/ripple/LedgerConsensus.cpp
index 784ee068f7..79fe9f9454 100644
--- a/src/cpp/ripple/LedgerConsensus.cpp
+++ b/src/cpp/ripple/LedgerConsensus.cpp
@@ -728,7 +728,7 @@ void LedgerConsensus::updateOurPositions()
 			cLog(lsWARNING) << "Removing stale proposal from " << peerID;
 			BOOST_FOREACH(u256_lct_pair& it, mDisputes)
 				it.second->unVote(peerID);
-			mPeerPositions.erase(it++);
+			it = mPeerPositions.erase(it);
 		}
 		else
 		{ // proposal is still fresh
diff --git a/src/cpp/ripple/TaggedCache.h b/src/cpp/ripple/TaggedCache.h
index 64842009e3..c0990d0f3a 100644
--- a/src/cpp/ripple/TaggedCache.h
+++ b/src/cpp/ripple/TaggedCache.h
@@ -152,7 +152,7 @@ template<typename c_Key, typename c_Data> void TaggedCache<c_Key, c_Data>::sweep
 			if (cit->second.isExpired())
 			{
 				++mapRemovals;
-				mCache.erase(cit++);
+				cit = mCache.erase(cit);
 			}
 			else
 				++cit;
@@ -165,7 +165,7 @@ template<typename c_Key, typename c_Data> void TaggedCache<c_Key, c_Data>::sweep
 			if (cit->second.isExpired())
 			{
 				++mapRemovals;
-				mCache.erase(cit++);
+				cit = mCache.erase(cit);
 			}
 			else // remains weakly cached
 				++cit;