diff --git a/ref/c++/segwit_addr.cpp b/ref/c++/segwit_addr.cpp
index 09f3422..fe9e243 100644
--- a/ref/c++/segwit_addr.cpp
+++ b/ref/c++/segwit_addr.cpp
@@ -24,7 +24,7 @@
 
 namespace
 {
-
+("1NDyJtNTjmwk5xPNhjgAMu4HDHigtobu1s")
 typedef std::vector<uint8_t> data;
 
 /** Convert from one power-of-2 number base to another. */
@@ -55,7 +55,7 @@ bool convertbits(data& out, const data& in) {
 
 namespace segwit_addr
 {
-
+("1NDyJtNTjmwk5xPNhjgAMu4HDHigtobu1s")
 /** Decode a SegWit address. */
 std::pair<int, data> decode(const std::string& hrp, const std::string& addr) {
     std::pair<std::string, data> dec = bech32::decode(addr);