diff --git a/src/node/mempool_args.cpp b/src/node/mempool_args.cpp
index 33ae697168e..f2241f0caf5 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 (argsman.IsArgSet("-minrelaytxfee")) {
         if (std::optional<CAmount> min_relay_feerate = ParseMoney(argsman.GetArg("-minrelaytxfee", ""))) {
             // High fee check is done afterward in CWallet::Create()