diff --git a/CHANGELOG.md b/CHANGELOG.md
index b13469d06..270d0265e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -65,6 +65,7 @@ Changelog for FrostFS Node
 - Parts of a locked object could not be removed anymore (#141)
 - Non-alphabet nodes do not try to handle alphabet events (#181)
 - Failing SN and IR transactions because of incorrect scopes (#2230, #2263)
+- Global scope used for some transactions (#2230, #2263)
 
 ### Removed
 ### Updated
diff --git a/pkg/morph/client/nns.go b/pkg/morph/client/nns.go
index e61cb8e15..473b3500b 100644
--- a/pkg/morph/client/nns.go
+++ b/pkg/morph/client/nns.go
@@ -208,10 +208,18 @@ func (c *Client) SetGroupSignerScope() error {
 		return err
 	}
 
-	c.cfg.signer = &transaction.Signer{
+	// Don't change c before everything is OK.
+	cfg := c.cfg
+	cfg.signer = &transaction.Signer{
 		Scopes:        transaction.CustomGroups | transaction.CalledByEntry,
 		AllowedGroups: []*keys.PublicKey{pub},
 	}
+	rpcActor, err := newActor(c.client, c.acc, cfg)
+	if err != nil {
+		return err
+	}
+	c.cfg = cfg
+	c.setActor(rpcActor)
 	return nil
 }