diff --git a/contracts/eosio.system/include/eosio.system/eosio.system.hpp b/contracts/eosio.system/include/eosio.system/eosio.system.hpp
index 1ed1a98..bb466c5 100644
--- a/contracts/eosio.system/include/eosio.system/eosio.system.hpp
+++ b/contracts/eosio.system/include/eosio.system/eosio.system.hpp
@@ -1206,7 +1206,8 @@ namespace eosiosystem {
           * @param fee - the fee to be paid for the ram sold.
           */
          [[eosio::action]]
-         void logbuyram( const name& payer, const name& receiver, const asset& quantity, int64_t bytes, int64_t ram_bytes, const asset& fee );
+         void logbuyram( const name& payer, const name& receiver, const asset& quantity, int64_t bytes, int64_t ram_bytes, 
+            const eosio::binary_extension<asset>& fee );
 
          /**
           * Sell ram action, reduces quota by bytes and then performs an inline transfer of tokens
@@ -1228,7 +1229,8 @@ namespace eosiosystem {
           * @param fee - the fee to be paid for the ram sold.
           */
          [[eosio::action]]
-         void logsellram( const name& account, const asset& quantity, int64_t bytes, int64_t ram_bytes, const asset& fee );
+         void logsellram( const name& account, const asset& quantity, int64_t bytes, int64_t ram_bytes, 
+            const eosio::binary_extension<asset>& fee );
 
          /**
           * Transfer ram action, reduces sender's quota by bytes and increase receiver's quota by bytes.
diff --git a/contracts/eosio.system/src/delegate_bandwidth.cpp b/contracts/eosio.system/src/delegate_bandwidth.cpp
index e4b5ea0..8c744d0 100644
--- a/contracts/eosio.system/src/delegate_bandwidth.cpp
+++ b/contracts/eosio.system/src/delegate_bandwidth.cpp
@@ -100,7 +100,7 @@ namespace eosiosystem {
       return action_return_buyram{ payer, receiver, quant, bytes_out, ram_bytes, fee };
    }
 
-   void system_contract::logbuyram( const name& payer, const name& receiver, const asset& quantity, int64_t bytes, int64_t ram_bytes, const asset& fee ) {
+   void system_contract::logbuyram( const name& payer, const name& receiver, const asset& quantity, int64_t bytes, int64_t ram_bytes, const eosio::binary_extension<asset>& fee ) {
       require_auth( get_self() );
       require_recipient(payer);
       require_recipient(receiver);
@@ -156,7 +156,7 @@ namespace eosiosystem {
       return action_return_sellram{ account, tokens_out, bytes, ram_bytes, asset(fee, core_symbol() ) };
    }
 
-   void system_contract::logsellram( const name& account, const asset& quantity, int64_t bytes, int64_t ram_bytes, const asset& fee ) {
+   void system_contract::logsellram( const name& account, const asset& quantity, int64_t bytes, int64_t ram_bytes, const eosio::binary_extension<asset>& fee ) {
       require_auth( get_self() );
       require_recipient(account);
    }