diff --git a/kvs_test.go b/kvs_test.go
index a537f71..a00183e 100644
--- a/kvs_test.go
+++ b/kvs_test.go
@@ -50,6 +50,70 @@ func TestPotKvs_Save(t *testing.T) {
 		assert.NoError(t, err)
 		assert.True(t, len(ref) > 0)
 	})
+ 	t.Run("Put key-value pair a second time, then save", func(t *testing.T) {
+		s, _ := pot.NewSwarmKvs(ls)
+		err := s.Put(ctx, key1, val1)
+		assert.NoError(t, err)
+		err = s.Put(ctx, key1, val1)
+		assert.NoError(t, err)
+		_, err = s.Save(ctx)
+		assert.NoError(t, err)
+	})
+ 	t.Run("Save twice", func(t *testing.T) {
+		s, _ := pot.NewSwarmKvs(ls)
+		err := s.Put(ctx, key1, val1)
+		assert.NoError(t, err)
+		_, err = s.Save(ctx)
+		assert.NoError(t, err)
+		_, err = s.Save(ctx)
+		assert.NoError(t, err)
+	})
+	t.Run("Change key's value between two saves", func(t *testing.T) {
+		s, _ := pot.NewSwarmKvs(ls)
+		err := s.Put(ctx, key1, val1)
+		assert.NoError(t, err)
+		_, err = s.Save(ctx)
+		assert.NoError(t, err)
+		err = s.Put(ctx, key1, val2)
+		assert.NoError(t, err)
+		_, err = s.Save(ctx)
+		assert.NoError(t, err)
+	})
+	t.Run("Store same value under different key between two saves", func(t *testing.T) {
+		s, _ := pot.NewSwarmKvs(ls)
+		err := s.Put(ctx, key1, val1)
+		assert.NoError(t, err)
+		_, err = s.Save(ctx)
+		assert.NoError(t, err)
+		err = s.Put(ctx, key2, val1)
+		assert.NoError(t, err)
+		_, err = s.Save(ctx)
+		assert.NoError(t, err)
+	})
+	t.Run("Put same key-value pair a second time between saves", func(t *testing.T) {
+		s, _ := pot.NewSwarmKvs(ls)
+		err := s.Put(ctx, key1, val1)
+		assert.NoError(t, err)
+		_, err = s.Save(ctx)
+		assert.NoError(t, err)
+		err = s.Put(ctx, key1, val1)
+		assert.NoError(t, err)
+		_, err = s.Save(ctx)
+		assert.NoError(t, err)
+	})
+	t.Run("Put same key-value pair a second time, on new-by-reference KVS, between saves", func(t *testing.T) {
+		s, _ := pot.NewSwarmKvs(ls)
+		err := s.Put(ctx, key1, val1)
+		assert.NoError(t, err)
+		ref, err := s.Save(ctx)
+		assert.NoError(t, err)
+		s2, err := pot.NewSwarmKvsReference(ctx, ls, ref)
+		assert.NoError(t, err)
+		err = s2.Put(ctx, key1, val1)
+		assert.NoError(t, err)
+		_, err = s2.Save(ctx)
+		assert.NoError(t, err)
+	})
 	t.Run("Save KVS with one item, no error, pre-save value exist", func(t *testing.T) {
 		s1, _ := pot.NewSwarmKvs(ls)
 
diff --git a/pkg/elements/ops.go b/pkg/elements/ops.go
index 039f986..5d57ff5 100644
--- a/pkg/elements/ops.go
+++ b/pkg/elements/ops.go
@@ -86,7 +86,7 @@ func update(ctx context.Context, acc Node, cn CNode, k []byte, entry *Entry, mod
 		}
 		orig := cn.Node.Entry()
 		if (*entry).Equal(orig) {
-			return nil, nil
+			return cn.Node, nil
 		}
 		n := mode.New()
 		n.Pin(*entry)