diff --git a/src/LedgerEntrySet.h b/src/LedgerEntrySet.h
index aaafd523b..07f900d93 100644
--- a/src/LedgerEntrySet.h
+++ b/src/LedgerEntrySet.h
@@ -123,14 +123,24 @@ public:
 	void calcRawMeta(Serializer&, TER result);
 
 	// iterator functions
+	typedef std::map<uint256, LedgerEntrySetEntry>::iterator				iterator;
+	typedef std::map<uint256, LedgerEntrySetEntry>::const_iterator			const_iterator;
 	bool isEmpty() const													{ return mEntries.empty(); }
 	std::map<uint256, LedgerEntrySetEntry>::const_iterator begin() const	{ return mEntries.begin(); }
 	std::map<uint256, LedgerEntrySetEntry>::const_iterator end() const		{ return mEntries.end(); }
-	std::map<uint256, LedgerEntrySetEntry>::iterator begin()				{ return mEntries.begin(); }
+	std::map<uint256, LedgerEntrySetEntry>::iterator begin() 				{ return mEntries.begin(); }
 	std::map<uint256, LedgerEntrySetEntry>::iterator end()					{ return mEntries.end(); }
 
 	static bool intersect(const LedgerEntrySet& lesLeft, const LedgerEntrySet& lesRight);
 };
 
+inline LedgerEntrySet::iterator range_begin(LedgerEntrySet& x)		{ return x.begin(); }
+inline LedgerEntrySet::iterator range_end(LedgerEntrySet &x)		{ return x.end(); }
+namespace boost
+{
+	template<> struct range_mutable_iterator<LedgerEntrySet>	{ typedef LedgerEntrySet::iterator type; };
+	template<> struct range_const_iterator<LedgerEntrySet>		{ typedef LedgerEntrySet::const_iterator type; };
+}
+
 #endif
 // vim:ts=4