diff --git a/sanitizers/suppressions/asan.supp b/sanitizers/suppressions/asan.supp
index f501094cfd..4511ccf065 100644
--- a/sanitizers/suppressions/asan.supp
+++ b/sanitizers/suppressions/asan.supp
@@ -26,3 +26,4 @@ interceptor_name:memcpy
 interceptor_name:__bzero
 interceptor_name:__asan_memset
 interceptor_name:__asan_memcpy
+fun:assert
diff --git a/src/xrpld/rpc/detail/TransactionSign.cpp b/src/xrpld/rpc/detail/TransactionSign.cpp
index 3ea156c0f7..485765c133 100644
--- a/src/xrpld/rpc/detail/TransactionSign.cpp
+++ b/src/xrpld/rpc/detail/TransactionSign.cpp
@@ -844,8 +844,7 @@ getTxFee(Application const& app, Config const& config, Json::Value tx)
         }
     }
 
-    auto static const tx_json_name = std::string(jss::tx_json);
-    STParsedJSONObject parsed(tx_json_name, tx);
+    STParsedJSONObject parsed(std::string(jss::tx_json), tx);
     if (!parsed.object.has_value())
     {
         return config.FEES.reference_fee;