diff --git a/policy/policy_contract.go b/policy/policy_contract.go
index 39bb0ce..9d84eeb 100644
--- a/policy/policy_contract.go
+++ b/policy/policy_contract.go
@@ -4,6 +4,7 @@ import (
 	"git.frostfs.info/TrueCloudLab/frostfs-contract/common"
 	"github.com/nspcc-dev/neo-go/pkg/interop"
 	"github.com/nspcc-dev/neo-go/pkg/interop/iterator"
+	"github.com/nspcc-dev/neo-go/pkg/interop/native/crypto"
 	"github.com/nspcc-dev/neo-go/pkg/interop/native/management"
 	"github.com/nspcc-dev/neo-go/pkg/interop/runtime"
 	"github.com/nspcc-dev/neo-go/pkg/interop/storage"
@@ -107,6 +108,9 @@ func storageKey(prefix Kind, counter int, name []byte) []byte {
 }
 
 func mapKey(kind Kind, name []byte) []byte {
+	if len(name) > 0 {
+		name = crypto.Sha256(name)
+	}
 	return append([]byte{mappingKeyPrefix, byte(kind)}, name...)
 }
 
diff --git a/tests/policy_test.go b/tests/policy_test.go
index 6690a1a..e7fd489 100644
--- a/tests/policy_test.go
+++ b/tests/policy_test.go
@@ -2,6 +2,7 @@ package tests
 
 import (
 	"bytes"
+	"crypto/sha256"
 	"path"
 	"testing"
 
@@ -185,8 +186,9 @@ func checkTargets(t *testing.T, e *neotest.ContractInvoker, kind byte, expected
 	require.Equal(t, len(expected), len(targets))
 
 	for i := range expected {
+		exp := sha256.Sum256(expected[i])
 		bytesTargets, err := targets[i].TryBytes()
 		require.NoError(t, err)
-		require.Equal(t, expected[i], bytesTargets)
+		require.Equal(t, exp[:], bytesTargets)
 	}
 }