diff --git a/bridge/bridge.go b/bridge/bridge.go
index a162039..a767999 100644
--- a/bridge/bridge.go
+++ b/bridge/bridge.go
@@ -94,7 +94,9 @@ func (synth *Synth) Render(state *SynthState, buffer []float32) error {
 		return errors.New("Render writes stereo signals, so buffer should have even length")
 	}
 	maxSamples := len(buffer) / 2
+	state.RandSeed += 1 // if you initialize with empty struct, you will get randseed 1 which is sointu default behavior
 	errcode := C.su_render((*C.Synth)(synth), (*C.SynthState)(state), (*C.float)(&buffer[0]), C.int(maxSamples))
+	state.RandSeed -= 1
 	if errcode > 0 {
 		return errors.New("Render failed")
 	}
@@ -124,7 +126,9 @@ func (synth *Synth) RenderTime(state *SynthState, buffer []float32, maxtime int)
 	}
 	samples := C.int(len(buffer) / 2)
 	time := C.int(maxtime)
+	state.RandSeed += 1 // if you initialize with empty struct, you will get randseed 1 which is sointu default behavior
 	errcode := int(C.su_render_time((*C.Synth)(synth), (*C.SynthState)(state), (*C.float)(&buffer[0]), &samples, &time))
+	state.RandSeed -= 1
 	if errcode > 0 {
 		return -1, -1, errors.New("RenderTime failed")
 	}
@@ -185,9 +189,3 @@ func (s *SynthState) Release(voice int) {
 	cs := (*C.SynthState)(s)
 	cs.SynthWrk.Voices[voice].Release = 1
 }
-
-func NewSynthState() *SynthState {
-	s := new(SynthState)
-	s.RandSeed = 1
-	return s
-}
diff --git a/bridge/bridge_test.go b/bridge/bridge_test.go
index 0da25b0..e3ff3d2 100644
--- a/bridge/bridge_test.go
+++ b/bridge/bridge_test.go
@@ -31,15 +31,15 @@ func TestBridge(t *testing.T) {
 	if err != nil {
 		t.Fatalf("bridge compile error: %v", err)
 	}
-	state := bridge.NewSynthState()
+	var state bridge.SynthState
 	state.Trigger(0, 64)
 	buffer := make([]float32, 2*su_max_samples)
-	err = synth.Render(state, buffer[:len(buffer)/2])
+	err = synth.Render(&state, buffer[:len(buffer)/2])
 	if err != nil {
 		t.Fatalf("first render gave an error")
 	}
 	state.Release(0)
-	err = synth.Render(state, buffer[len(buffer)/2:])
+	err = synth.Render(&state, buffer[len(buffer)/2:])
 	if err != nil {
 		t.Fatalf("first render gave an error")
 	}
diff --git a/song/song_test.go b/song/song_test.go
index b837d5c..a889919 100644
--- a/song/song_test.go
+++ b/song/song_test.go
@@ -42,8 +42,8 @@ func TestSongRender(t *testing.T) {
 	if err != nil {
 		t.Fatalf("Compiling patch failed: %v", err)
 	}
-	state := bridge.NewSynthState()
-	buffer, err := song.Render(synth, state)
+	var state bridge.SynthState
+	buffer, err := song.Render(synth, &state)
 	if err != nil {
 		t.Fatalf("Render failed: %v", err)
 	}