diff --git a/lib/error.c b/lib/error.c
index 4411665..1f8952a 100644
--- a/lib/error.c
+++ b/lib/error.c
@@ -51,6 +51,9 @@ static const err_t errors[] = {
   ERR (YKPIV_GENERIC_ERROR, "Something went wrong."),
   ERR (YKPIV_KEY_ERROR, "Error in key"),
   ERR (YKPIV_PARSE_ERROR, "Parse error"),
+  ERR (YKPIV_WRONG_PIN, "Wrong PIN code"),
+  ERR (YKPIV_INVALID_OBJECT, "Object invalid"),
+  ERR (YKPIV_ALGORITHM_ERROR, "Algorithm error"),
 };
 
 /**