diff --git a/tfa98xx/tfa98xx_feedback.c b/tfa98xx/tfa98xx_feedback.c
index 72a11a5..0b00a00 100644
--- a/tfa98xx/tfa98xx_feedback.c
+++ b/tfa98xx/tfa98xx_feedback.c
@@ -75,6 +75,7 @@ int tfa98xx_feedback(void* adev, uint32_t snd_device, bool enable) {
     tfa_dev->usecase_tx->id = USECASE_AUDIO_SPKR_CALIB_TX;
     tfa_dev->usecase_tx->type = PCM_CAPTURE;
     tfa_dev->usecase_tx->in_snd_device = SND_DEVICE_IN_CAPTURE_VI_FEEDBACK;
+    list_init(&tfa_dev->usecase_tx->device_list);
 
     list_add_tail(&tfa_dev->adev->usecase_list, &tfa_dev->usecase_tx->list);
     enable_snd_device(tfa_dev->adev, tfa_dev->usecase_tx->in_snd_device);