diff --git a/libraries/chain/protocol/proposal.cpp b/libraries/chain/protocol/proposal.cpp
index 46ca683d..e4cc71a3 100644
--- a/libraries/chain/protocol/proposal.cpp
+++ b/libraries/chain/protocol/proposal.cpp
@@ -7,6 +7,7 @@ namespace graphene { namespace chain {
 
 proposal_create_operation proposal_create_operation::committee_proposal(const chain_parameters& global_params, fc::time_point_sec head_block_time )
 {
+   // TODO move this method to unit tests as it is not useful
    proposal_create_operation op;
    op.expiration_time = head_block_time + global_params.maximum_proposal_lifetime;
    op.review_period_seconds = global_params.committee_proposal_review_period;
diff --git a/libraries/wallet/include/graphene/wallet/wallet.hpp b/libraries/wallet/include/graphene/wallet/wallet.hpp
index 160a2e81..04e96f63 100644
--- a/libraries/wallet/include/graphene/wallet/wallet.hpp
+++ b/libraries/wallet/include/graphene/wallet/wallet.hpp
@@ -1267,12 +1267,14 @@ class wallet_api
        * desired.
        *
        * @param proposing_account The account paying the fee to propose the tx
+       * @param expiration_time Timestamp specifying when the proposal will either take effect or expire.
        * @param changed_values The values to change; all other chain parameters are filled in with default values
        * @param broadcast true if you wish to broadcast the transaction
        * @return the signed version of the transaction
        */
       signed_transaction propose_parameter_change(
          const string& proposing_account,
+         fc::time_point_sec expiration_time,
          const variant_object& changed_values,
          bool broadcast = false);
 
diff --git a/libraries/wallet/wallet.cpp b/libraries/wallet/wallet.cpp
index d55c5edb..db5ca65b 100644
--- a/libraries/wallet/wallet.cpp
+++ b/libraries/wallet/wallet.cpp
@@ -1965,6 +1965,7 @@ public:
 
    signed_transaction propose_parameter_change(
       const string& proposing_account,
+      fc::time_point_sec expiration_time,
       const variant_object& changed_values,
       bool broadcast = false)
    {
@@ -1979,8 +1980,10 @@ public:
       committee_member_update_global_parameters_operation update_op;
       update_op.new_parameters = new_params;
 
-      proposal_create_operation prop_op = proposal_create_operation::committee_proposal(
-         current_params, get_dynamic_global_properties().time );
+      proposal_create_operation prop_op;
+
+      prop_op.expiration_time = expiration_time;
+      prop_op.review_period_seconds = current_params.committee_proposal_review_period;
       prop_op.fee_paying_account = get_account(proposing_account).id;
 
       prop_op.proposed_ops.emplace_back( update_op );
@@ -2863,11 +2866,12 @@ void wallet_api::flood_network(string prefix, uint32_t number_of_transactions)
 
 signed_transaction wallet_api::propose_parameter_change(
    const string& proposing_account,
+   fc::time_point_sec expiration_time,
    const variant_object& changed_values,
    bool broadcast /* = false */
    )
 {
-   return my->propose_parameter_change( proposing_account, changed_values, broadcast );
+   return my->propose_parameter_change( proposing_account, expiration_time, changed_values, broadcast );
 }
 
 signed_transaction wallet_api::propose_fee_change(