diff --git a/src/cpp/ripple/RippleAddress.cpp b/src/cpp/ripple/RippleAddress.cpp
index 23948ad20..d56cee8d8 100644
--- a/src/cpp/ripple/RippleAddress.cpp
+++ b/src/cpp/ripple/RippleAddress.cpp
@@ -71,6 +71,11 @@ void RippleAddress::clear()
     vchData.clear();
 }
 
+bool RippleAddress::isSet() const
+{
+	return nVersion != VER_NONE;
+}
+
 std::string RippleAddress::humanAddressType() const
 {
 	switch (nVersion)
diff --git a/src/cpp/ripple/RippleAddress.h b/src/cpp/ripple/RippleAddress.h
index d12cf101b..96d58b4b5 100644
--- a/src/cpp/ripple/RippleAddress.h
+++ b/src/cpp/ripple/RippleAddress.h
@@ -27,7 +27,9 @@ public:
 
 	// For public and private key, checks if they are legal.
 	bool isValid() const;
+
 	void clear();
+	bool isSet() const;
 
 	std::string humanAddressType() const;