diff --git a/TTS/bin/synthesize.py b/TTS/bin/synthesize.py
index 40852bdf..bd8a73f2 100644
--- a/TTS/bin/synthesize.py
+++ b/TTS/bin/synthesize.py
@@ -37,6 +37,9 @@ def tts(model, vocoder_model, text, CONFIG, use_cuda, ap, use_gl, speaker_fileid
     if CONFIG.model == "Tacotron" and not use_gl:
         mel_postnet_spec = ap.out_linear_to_mel(mel_postnet_spec.T).T
     if not use_gl:
+        beta = np.linspace(1e-6, 0.01, 50)
+        vocoder_model.compute_noise_level(beta)
+        
         device_type = "cuda" if use_cuda else "cpu"
         waveform = vocoder_model.inference(torch.FloatTensor(mel_postnet_spec.T).to(device_type).unsqueeze(0))
     if use_cuda and not use_gl: