diff --git a/src/node/mempool_args.cpp b/src/node/mempool_args.cpp
index 11c77ff5610..abbe97d9221 100644
--- a/src/node/mempool_args.cpp
+++ b/src/node/mempool_args.cpp
@@ -65,6 +65,7 @@ util::Result<void> ApplyArgsManOptions(const ArgsManager& argsman, const CChainP
         }
     }
 
+    static_assert(DEFAULT_MIN_RELAY_TX_FEE == DEFAULT_INCREMENTAL_RELAY_FEE);
     if (const auto arg{argsman.GetArg("-minrelaytxfee")}) {
         if (std::optional<CAmount> min_relay_feerate = ParseMoney(*arg)) {
             // High fee check is done afterward in CWallet::Create()