diff --git a/pkg/client/object.go b/pkg/client/object.go
index 62fa701..1784af3 100644
--- a/pkg/client/object.go
+++ b/pkg/client/object.go
@@ -1006,7 +1006,14 @@ func (c Client) attachV2SessionToken(opts callOptions, hdr *v2session.RequestMet
 		return nil
 	}
 
-	token := opts.session.ToV2()
+	// Do not resign already prepared session token
+	if opts.session.Signature() != nil {
+		hdr.SetSessionToken(opts.session.ToV2())
+		return nil
+	}
+
+	token := new(v2session.SessionToken)
+	token.SetBody(opts.session.ToV2().GetBody())
 
 	opCtx := new(v2session.ObjectSessionContext)
 	opCtx.SetAddress(info.addr)
diff --git a/pkg/token/session.go b/pkg/token/session.go
index 6ff3753..d9e1c47 100644
--- a/pkg/token/session.go
+++ b/pkg/token/session.go
@@ -1,6 +1,7 @@
 package token
 
 import (
+	"github.com/nspcc-dev/neofs-api-go/pkg"
 	"github.com/nspcc-dev/neofs-api-go/pkg/owner"
 	"github.com/nspcc-dev/neofs-api-go/v2/session"
 )
@@ -68,3 +69,10 @@ func (t *SessionToken) SetSessionKey(v []byte) {
 		body.SetSessionKey(v)
 	})
 }
+
+func (t *SessionToken) Signature() *pkg.Signature {
+	return pkg.NewSignatureFromV2(
+		(*session.SessionToken)(t).
+			GetSignature(),
+	)
+}