diff --git a/netmap/policy.go b/netmap/policy.go
index bbc8aba..545fb5c 100644
--- a/netmap/policy.go
+++ b/netmap/policy.go
@@ -139,11 +139,11 @@ func (r *ReplicaDescriptor) SetNumberOfObjects(c uint32) {
 	r.m.SetCount(c)
 }
 
-func (r ReplicaDescriptor) SetECDataCount(v uint32) {
+func (r *ReplicaDescriptor) SetECDataCount(v uint32) {
 	r.m.SetECDataCount(v)
 }
 
-func (r ReplicaDescriptor) SetECParityCount(v uint32) {
+func (r *ReplicaDescriptor) SetECParityCount(v uint32) {
 	r.m.SetECParityCount(v)
 }