diff --git a/port/stm32-f4discovery-cc256x/src/hal_audio_f4discovery.c b/port/stm32-f4discovery-cc256x/src/hal_audio_f4discovery.c
index d58c470ad..fe7602a4d 100644
--- a/port/stm32-f4discovery-cc256x/src/hal_audio_f4discovery.c
+++ b/port/stm32-f4discovery-cc256x/src/hal_audio_f4discovery.c
@@ -139,12 +139,21 @@ void hal_audio_sink_start(void){
 	BSP_AUDIO_OUT_Play( (uint16_t*) output_buffer, NUM_OUTPUT_BUFFERS * OUTPUT_BUFFER_NUM_SAMPLES * 4);
 }
 
+/**
+ * @brief Stop stream
+ */
+void hal_audio_sink_stop(void){
+	started = 0;
+	BSP_AUDIO_OUT_Stop(CODEC_PDWN_HW);
+}
+
 /**
  * @brief Close audio codec
  */
 void hal_audio_sink_close(void){
-	started = 0;
-	BSP_AUDIO_OUT_Stop(CODEC_PDWN_HW);
+	if (started){
+		hal_audio_sink_close();
+	}
 }