diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
index 6a0555f54..b99fffa59 100644
--- a/src/wallet/rpcwallet.cpp
+++ b/src/wallet/rpcwallet.cpp
@@ -55,6 +55,9 @@ std::string CCerror;
 // Private method:
 UniValue z_getoperationstatus_IMPL(const UniValue&, bool);
 
+#define PLAN_NAME_MAX   8
+#define VALID_PLAN_NAME(x)  (strlen(x) <= PLAN_NAME_MAX)
+
 std::string HelpRequiringPassphrase()
 {
     return pwalletMain && pwalletMain->IsCrypted()