diff --git a/netmap/grpc/types.pb.go b/netmap/grpc/types.pb.go
index 385713d..59f8612 100644
--- a/netmap/grpc/types.pb.go
+++ b/netmap/grpc/types.pb.go
@@ -402,9 +402,9 @@ type Replica struct {
 	// Named selector bucket to put replicas
 	Selector string `protobuf:"bytes,2,opt,name=selector,proto3" json:"selector,omitempty"`
 	// Data shards count
-	EcDataCount uint32 `protobuf:"varint,6,opt,name=ec_data_count,json=ecDataCount,proto3" json:"ec_data_count,omitempty"`
+	EcDataCount uint32 `protobuf:"varint,3,opt,name=ec_data_count,json=ecDataCount,proto3" json:"ec_data_count,omitempty"`
 	// Parity shards count
-	EcParityCount uint32 `protobuf:"varint,7,opt,name=ec_parity_count,json=ecParityCount,proto3" json:"ec_parity_count,omitempty"`
+	EcParityCount uint32 `protobuf:"varint,4,opt,name=ec_parity_count,json=ecParityCount,proto3" json:"ec_parity_count,omitempty"`
 }
 
 func (x *Replica) Reset() {
@@ -1081,9 +1081,9 @@ var file_netmap_grpc_types_proto_rawDesc = []byte{
 	0x6f, 0x75, 0x6e, 0x74, 0x12, 0x1a, 0x0a, 0x08, 0x73, 0x65, 0x6c, 0x65, 0x63, 0x74, 0x6f, 0x72,
 	0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x08, 0x73, 0x65, 0x6c, 0x65, 0x63, 0x74, 0x6f, 0x72,
 	0x12, 0x22, 0x0a, 0x0d, 0x65, 0x63, 0x5f, 0x64, 0x61, 0x74, 0x61, 0x5f, 0x63, 0x6f, 0x75, 0x6e,
-	0x74, 0x18, 0x06, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x0b, 0x65, 0x63, 0x44, 0x61, 0x74, 0x61, 0x43,
+	0x74, 0x18, 0x03, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x0b, 0x65, 0x63, 0x44, 0x61, 0x74, 0x61, 0x43,
 	0x6f, 0x75, 0x6e, 0x74, 0x12, 0x26, 0x0a, 0x0f, 0x65, 0x63, 0x5f, 0x70, 0x61, 0x72, 0x69, 0x74,
-	0x79, 0x5f, 0x63, 0x6f, 0x75, 0x6e, 0x74, 0x18, 0x07, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x0d, 0x65,
+	0x79, 0x5f, 0x63, 0x6f, 0x75, 0x6e, 0x74, 0x18, 0x04, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x0d, 0x65,
 	0x63, 0x50, 0x61, 0x72, 0x69, 0x74, 0x79, 0x43, 0x6f, 0x75, 0x6e, 0x74, 0x22, 0x86, 0x02, 0x0a,
 	0x0f, 0x50, 0x6c, 0x61, 0x63, 0x65, 0x6d, 0x65, 0x6e, 0x74, 0x50, 0x6f, 0x6c, 0x69, 0x63, 0x79,
 	0x12, 0x35, 0x0a, 0x08, 0x72, 0x65, 0x70, 0x6c, 0x69, 0x63, 0x61, 0x73, 0x18, 0x01, 0x20, 0x03,
diff --git a/netmap/test/generate.go b/netmap/test/generate.go
index 260a024..2b713c5 100644
--- a/netmap/test/generate.go
+++ b/netmap/test/generate.go
@@ -81,6 +81,17 @@ func GenerateReplica(empty bool) *netmap.Replica {
 	return m
 }
 
+func GenerateEC(empty bool) *netmap.Replica {
+	m := new(netmap.Replica)
+
+	if !empty {
+		m.SetECDataCount(4)
+		m.SetECParityCount(2)
+	}
+
+	return m
+}
+
 func GenerateReplicas(empty bool) []netmap.Replica {
 	var res []netmap.Replica
 
@@ -88,6 +99,7 @@ func GenerateReplicas(empty bool) []netmap.Replica {
 		res = append(res,
 			*GenerateReplica(false),
 			*GenerateReplica(false),
+			*GenerateEC(false),
 		)
 	}