diff --git a/waddrmgr/error.go b/waddrmgr/error.go
index 945e605..c2fbba4 100644
--- a/waddrmgr/error.go
+++ b/waddrmgr/error.go
@@ -130,6 +130,7 @@ var errorCodeStrings = map[ErrorCode]string{
 	ErrDatabase:          "ErrDatabase",
 	ErrKeyChain:          "ErrKeyChain",
 	ErrCrypto:            "ErrCrypto",
+	ErrInvalidKeyType:    "ErrInvalidKeyType",
 	ErrNoExist:           "ErrNoExist",
 	ErrAlreadyExists:     "ErrAlreadyExists",
 	ErrCoinTypeTooHigh:   "ErrCoinTypeTooHigh",
diff --git a/waddrmgr/error_test.go b/waddrmgr/error_test.go
index e6f4a67..b82c2ef 100644
--- a/waddrmgr/error_test.go
+++ b/waddrmgr/error_test.go
@@ -32,6 +32,7 @@ func TestErrorCodeStringer(t *testing.T) {
 		{waddrmgr.ErrDatabase, "ErrDatabase"},
 		{waddrmgr.ErrKeyChain, "ErrKeyChain"},
 		{waddrmgr.ErrCrypto, "ErrCrypto"},
+		{waddrmgr.ErrInvalidKeyType, "ErrInvalidKeyType"},
 		{waddrmgr.ErrNoExist, "ErrNoExist"},
 		{waddrmgr.ErrAlreadyExists, "ErrAlreadyExists"},
 		{waddrmgr.ErrCoinTypeTooHigh, "ErrCoinTypeTooHigh"},