diff --git a/x/staking/legacy/v0_34/types.go b/x/staking/legacy/v0_34/types.go
index aef346183819..64e997ebcf69 100644
--- a/x/staking/legacy/v0_34/types.go
+++ b/x/staking/legacy/v0_34/types.go
@@ -41,14 +41,10 @@ type (
 	}
 
 	Commission struct {
-		CommissionRates CommissionRates `json:"commission_rates"`
-		UpdateTime      time.Time       `json:"update_time"`
-	}
-
-	CommissionRates struct {
-		Rate          sdk.Dec `json:"rate"`
-		MaxRate       sdk.Dec `json:"max_rate"`
-		MaxChangeRate sdk.Dec `json:"max_change_rate"`
+		Rate          sdk.Dec   `json:"rate"`
+		MaxRate       sdk.Dec   `json:"max_rate"`
+		MaxChangeRate sdk.Dec   `json:"max_change_rate"`
+		UpdateTime    time.Time `json:"update_time"`
 	}
 
 	bechValidator struct {
diff --git a/x/staking/legacy/v0_36/migrate.go b/x/staking/legacy/v0_36/migrate.go
index 7ccac5f54d3a..0d1b0fa2e7a9 100644
--- a/x/staking/legacy/v0_36/migrate.go
+++ b/x/staking/legacy/v0_36/migrate.go
@@ -14,10 +14,39 @@ func Migrate(oldGenState v034staking.GenesisState) GenesisState {
 		oldGenState.Params,
 		oldGenState.LastTotalPower,
 		oldGenState.LastValidatorPowers,
-		oldGenState.Validators,
+		migrateValidators(oldGenState.Validators),
 		oldGenState.Delegations,
 		oldGenState.UnbondingDelegations,
 		oldGenState.Redelegations,
 		oldGenState.Exported,
 	)
 }
+
+func migrateValidators(oldValidators v034staking.Validators) Validators {
+	validators := make(Validators, len(oldValidators))
+
+	for i, val := range oldValidators {
+		validators[i] = Validator{
+			OperatorAddress:         val.OperatorAddress,
+			ConsPubKey:              val.ConsPubKey,
+			Jailed:                  val.Jailed,
+			Status:                  val.Status,
+			Tokens:                  val.Tokens,
+			DelegatorShares:         val.DelegatorShares,
+			Description:             val.Description,
+			UnbondingHeight:         val.UnbondingHeight,
+			UnbondingCompletionTime: val.UnbondingCompletionTime,
+			Commission: Commission{
+				CommissionRates: CommissionRates{
+					Rate:          val.Commission.Rate,
+					MaxRate:       val.Commission.MaxRate,
+					MaxChangeRate: val.Commission.MaxChangeRate,
+				},
+				UpdateTime: val.Commission.UpdateTime,
+			},
+			MinSelfDelegation: val.MinSelfDelegation,
+		}
+	}
+
+	return validators
+}
diff --git a/x/staking/legacy/v0_36/types.go b/x/staking/legacy/v0_36/types.go
index 5af5d8acd948..e58422804d8e 100644
--- a/x/staking/legacy/v0_36/types.go
+++ b/x/staking/legacy/v0_36/types.go
@@ -3,9 +3,12 @@
 package v0_36
 
 import (
-	v034staking "github.com/cosmos/cosmos-sdk/x/staking/legacy/v0_34"
+	"time"
+
+	"github.com/tendermint/tendermint/crypto"
 
 	sdk "github.com/cosmos/cosmos-sdk/types"
+	v034staking "github.com/cosmos/cosmos-sdk/x/staking/legacy/v0_34"
 )
 
 const (
@@ -13,11 +16,38 @@ const (
 )
 
 type (
+	Commission struct {
+		CommissionRates `json:"commission_rates" yaml:"commission_rates"`
+		UpdateTime      time.Time `json:"update_time" yaml:"update_time"`
+	}
+
+	CommissionRates struct {
+		Rate          sdk.Dec `json:"rate" yaml:"rate"`
+		MaxRate       sdk.Dec `json:"max_rate" yaml:"max_rate"`
+		MaxChangeRate sdk.Dec `json:"max_change_rate" yaml:"max_change_rate"`
+	}
+
+	Validator struct {
+		OperatorAddress         sdk.ValAddress          `json:"operator_address" yaml:"operator_address"`
+		ConsPubKey              crypto.PubKey           `json:"consensus_pubkey" yaml:"consensus_pubkey"`
+		Jailed                  bool                    `json:"jailed" yaml:"jailed"`
+		Status                  sdk.BondStatus          `json:"status" yaml:"status"`
+		Tokens                  sdk.Int                 `json:"tokens" yaml:"tokens"`
+		DelegatorShares         sdk.Dec                 `json:"delegator_shares" yaml:"delegator_shares"`
+		Description             v034staking.Description `json:"description" yaml:"description"`
+		UnbondingHeight         int64                   `json:"unbonding_height" yaml:"unbonding_height"`
+		UnbondingCompletionTime time.Time               `json:"unbonding_time" yaml:"unbonding_time"`
+		Commission              Commission              `json:"commission" yaml:"commission"`
+		MinSelfDelegation       sdk.Int                 `json:"min_self_delegation" yaml:"min_self_delegation"`
+	}
+
+	Validators []Validator
+
 	GenesisState struct {
 		Params               v034staking.Params                `json:"params"`
 		LastTotalPower       sdk.Int                           `json:"last_total_power"`
 		LastValidatorPowers  []v034staking.LastValidatorPower  `json:"last_validator_powers"`
-		Validators           v034staking.Validators            `json:"validators"`
+		Validators           Validators                        `json:"validators"`
 		Delegations          v034staking.Delegations           `json:"delegations"`
 		UnbondingDelegations []v034staking.UnbondingDelegation `json:"unbonding_delegations"`
 		Redelegations        []v034staking.Redelegation        `json:"redelegations"`
@@ -27,7 +57,7 @@ type (
 
 func NewGenesisState(
 	params v034staking.Params, lastTotalPower sdk.Int, lastValPowers []v034staking.LastValidatorPower,
-	validators v034staking.Validators, delegations v034staking.Delegations,
+	validators Validators, delegations v034staking.Delegations,
 	ubds []v034staking.UnbondingDelegation, reds []v034staking.Redelegation, exported bool,
 ) GenesisState {
 
diff --git a/x/staking/types/commission.go b/x/staking/types/commission.go
index db0269df8ba7..9b7b327e102f 100644
--- a/x/staking/types/commission.go
+++ b/x/staking/types/commission.go
@@ -10,8 +10,8 @@ import (
 type (
 	// Commission defines a commission parameters for a given validator.
 	Commission struct {
-		CommissionRates
-		UpdateTime time.Time `json:"update_time" yaml:"update_time"` // the last time the commission rate was changed
+		CommissionRates `json:"commission_rates" yaml:"commission_rates"`
+		UpdateTime      time.Time `json:"update_time" yaml:"update_time"` // the last time the commission rate was changed
 	}
 
 	// CommissionRates defines the initial commission rates to be used for creating a
diff --git a/x/staking/types/validator_test.go b/x/staking/types/validator_test.go
index 02af66f59be3..73308666b65f 100644
--- a/x/staking/types/validator_test.go
+++ b/x/staking/types/validator_test.go
@@ -293,7 +293,7 @@ func TestValidatorMarshalYAML(t *testing.T) {
   unbondingheight: 0
   unbondingcompletiontime: 1970-01-01T00:00:00Z
   commission:
-    commissionrates:
+    commission_rates:
       rate: "0.000000000000000000"
       max_rate: "0.000000000000000000"
       max_change_rate: "0.000000000000000000"