diff --git a/CHANGELOG.md b/CHANGELOG.md
index f2875ea4..7e9ba6d0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -48,6 +48,7 @@ Changelog for FrostFS Node
 - Create contract wallet only by `init` and `update-config` command (#63)
 - Actually use `object.put.pool_size_local` and independent pool for local puts (#64).
 - Pretty printer of basic ACL in the NeoFS CLI (#2259)
+- Adding of public key for nns group `group.frostfs` at init step (#130)
 
 ### Removed
 ### Updated
diff --git a/cmd/frostfs-adm/internal/modules/morph/initialize_nns.go b/cmd/frostfs-adm/internal/modules/morph/initialize_nns.go
index 91727202..b43c2da3 100644
--- a/cmd/frostfs-adm/internal/modules/morph/initialize_nns.go
+++ b/cmd/frostfs-adm/internal/modules/morph/initialize_nns.go
@@ -82,13 +82,13 @@ func (c *initializeContext) setNNS() error {
 
 func (c *initializeContext) updateNNSGroup(nnsHash util.Uint160, pub *keys.PublicKey) error {
 	bw := io.NewBufBinWriter()
-	needUpdate, needRegister, err := c.emitUpdateNNSGroupScript(bw, nnsHash, pub)
-	if !needUpdate || err != nil {
+	keyAlreadyAdded, domainRegCodeEmitted, err := c.emitUpdateNNSGroupScript(bw, nnsHash, pub)
+	if keyAlreadyAdded || err != nil {
 		return err
 	}
 
 	script := bw.Bytes()
-	if needRegister {
+	if domainRegCodeEmitted {
 		w := io.NewBufBinWriter()
 		emit.Instruction(w.BinWriter, opcode.INITSSLOT, []byte{1})
 		wrapRegisterScriptWithPrice(w, nnsHash, script)