diff --git a/api/contract_api.go b/api/contract_api.go
index 49ea209d..f5283d75 100644
--- a/api/contract_api.go
+++ b/api/contract_api.go
@@ -12,6 +12,7 @@ import (
 	"github.com/idena-network/idena-go/deferredtx"
 	"github.com/idena-network/idena-go/subscriptions"
 	"github.com/idena-network/idena-go/vm"
+	"github.com/idena-network/idena-go/vm/embedded"
 	"github.com/idena-network/idena-go/vm/env"
 	"github.com/idena-network/idena-go/vm/helpers"
 	"github.com/pkg/errors"
@@ -316,6 +317,10 @@ func (api *ContractApi) Deploy(ctx context.Context, args DeployArgs) (common.Has
 }
 
 func (api *ContractApi) Call(ctx context.Context, args CallArgs) (common.Hash, error) {
+	if args.Method == embedded.FinishVotingMethod {
+		return common.Hash{}, errors.New("finishVoting is temporary disabled")
+	}
+
 	tx, err := api.buildCallContractTx(args)
 	if err != nil {
 		return common.Hash{}, err
diff --git a/blockchain/blockchain.go b/blockchain/blockchain.go
index 6b07dd54..c5641e42 100644
--- a/blockchain/blockchain.go
+++ b/blockchain/blockchain.go
@@ -1234,10 +1234,10 @@ func (chain *Blockchain) applyDelegationSwitch(appState *appstate.AppState, bloc
 	for idx := range delegations {
 		delegation := delegations[idx]
 		if delegation.Delegatee.IsEmpty() {
-			delegatee :=appState.State.Delegatee(delegation.Delegator)
+			delegatee := appState.State.Delegatee(delegation.Delegator)
 			appState.IdentityState.RemoveDelegatee(delegation.Delegator)
 			appState.State.RemoveDelegatee(delegation.Delegator)
-			if delegatee!=nil {
+			if delegatee != nil {
 				undelegations = append(undelegations, &state.Delegation{Delegator: delegation.Delegator, Delegatee: *delegatee})
 			}
 		} else {
@@ -1255,7 +1255,7 @@ func (chain *Blockchain) applyDelegationSwitch(appState *appstate.AppState, bloc
 	return undelegations
 }
 
-func (chain *Blockchain) switchPoolsToOffline(appState *appstate.AppState, undelegations []*state.Delegation,   block *types.Block) {
+func (chain *Blockchain) switchPoolsToOffline(appState *appstate.AppState, undelegations []*state.Delegation, block *types.Block) {
 	if !block.Header.Flags().HasFlag(types.IdentityUpdate) {
 		return
 	}
diff --git a/core/mempool/txpool.go b/core/mempool/txpool.go
index c96d6c87..034a3f49 100644
--- a/core/mempool/txpool.go
+++ b/core/mempool/txpool.go
@@ -2,6 +2,7 @@ package mempool
 
 import (
 	"github.com/deckarep/golang-set"
+	"github.com/idena-network/idena-go/blockchain/attachments"
 	"github.com/idena-network/idena-go/blockchain/fee"
 	"github.com/idena-network/idena-go/blockchain/types"
 	"github.com/idena-network/idena-go/blockchain/validation"
@@ -12,6 +13,7 @@ import (
 	"github.com/idena-network/idena-go/events"
 	"github.com/idena-network/idena-go/log"
 	"github.com/idena-network/idena-go/stats/collector"
+	"github.com/idena-network/idena-go/vm/embedded"
 	"github.com/pkg/errors"
 	"sort"
 	"sync"
@@ -216,6 +218,13 @@ func (pool *TxPool) Add(tx *types.Transaction) error {
 
 	sender, _ := types.Sender(tx)
 
+	if tx.Type == types.CallContract {
+		attachment := attachments.ParseCallContractAttachment(tx)
+		if attachment != nil && attachment.Method == embedded.FinishVotingMethod {
+			return errors.New("finishVoting is temporary disabled")
+		}
+	}
+
 	if pool.isSyncing && sender != pool.coinbase {
 		pool.addDeferredTx(tx)
 
diff --git a/vm/embedded/oraclevoting.go b/vm/embedded/oraclevoting.go
index fc511a9d..882eae41 100644
--- a/vm/embedded/oraclevoting.go
+++ b/vm/embedded/oraclevoting.go
@@ -38,6 +38,7 @@ func NewOracleVotingContract2(ctx env.CallContext, e env.Env, statsCollector col
 		env.NewMap([]byte("allVotes"), e, ctx),
 	}
 }
+const FinishVotingMethod = "finishVoting"
 
 func (f *OracleVoting2) Call(method string, args ...[]byte) error {
 	switch method {
@@ -47,7 +48,7 @@ func (f *OracleVoting2) Call(method string, args ...[]byte) error {
 		return f.sendVoteProof(args...)
 	case "sendVote":
 		return f.sendVote(args...)
-	case "finishVoting":
+	case FinishVotingMethod:
 		return f.finishVoting(args...)
 	case "prolongVoting":
 		return f.prolongVoting(args...)