diff --git a/src/cpp/ripple/NetworkOPs.cpp b/src/cpp/ripple/NetworkOPs.cpp
index b762b38069..9a487fa92a 100644
--- a/src/cpp/ripple/NetworkOPs.cpp
+++ b/src/cpp/ripple/NetworkOPs.cpp
@@ -2208,7 +2208,7 @@ void NetworkOPs::makeFetchPack (Job&, boost::weak_ptr<Peer> wPeer,
             if (reply.objects ().size () >= 256)
                 break;
 
-            haveLedger = wantLedger;
+            haveLedger = MOVE_P(wantLedger);
             wantLedger = getLedgerByHash (haveLedger->getParentHash ());
         }
         while (wantLedger && (UptimeTimer::getInstance ().getElapsedSeconds () <= (uUptime + 1)));
diff --git a/src/cpp/ripple/ripple_SHAMapSync.cpp b/src/cpp/ripple/ripple_SHAMapSync.cpp
index 2e04babd82..e80616b8a8 100644
--- a/src/cpp/ripple/ripple_SHAMapSync.cpp
+++ b/src/cpp/ripple/ripple_SHAMapSync.cpp
@@ -512,7 +512,7 @@ void SHAMap::getFetchPack (SHAMap* have, bool includeLeaves, int max,
         {
             Serializer s;
             root->addRaw (s, snfPREFIX);
-            func (root->getNodeHash (), s.peekData ());
+            func (boost::cref(root->getNodeHash ()), boost::cref(s.peekData ()));
         }
 
         return;
@@ -535,7 +535,7 @@ void SHAMap::getFetchPack (SHAMap* have, bool includeLeaves, int max,
         // 1) Add this node to the pack
         Serializer s;
         node->addRaw (s, snfPREFIX);
-        func (node->getNodeHash (), s.peekData ());
+        func (boost::cref(node->getNodeHash ()), boost::cref(s.peekData ()));
         --max;
 
         // 2) push non-matching child inner nodes
@@ -557,7 +557,7 @@ void SHAMap::getFetchPack (SHAMap* have, bool includeLeaves, int max,
                 {
                     Serializer s;
                     node->addRaw (s, snfPREFIX);
-                    func (node->getNodeHash (), s.peekData ());
+                    func (boost::cref(node->getNodeHash ()), boost::cref(s.peekData ()));
                     --max;
                 }
             }