diff --git a/examples/Platforms/NRF52/NRF52_SD_Playback_I2S_Auto/NRF52_SD_Playback_I2S_Auto.ino b/examples/Platforms/NRF52/NRF52_SD_Playback_I2S_Auto/NRF52_SD_Playback_I2S_Auto.ino
index 37a24fc..647c009 100644
--- a/examples/Platforms/NRF52/NRF52_SD_Playback_I2S_Auto/NRF52_SD_Playback_I2S_Auto.ino
+++ b/examples/Platforms/NRF52/NRF52_SD_Playback_I2S_Auto/NRF52_SD_Playback_I2S_Auto.ino
@@ -40,7 +40,7 @@ SdFat SD;
 /* SD   connected to Arduino D6 (p1.11)
 /*********************************************************/
 float volumeControl = 0.2;
-#define BUFFER_SIZE 640
+#define BUFFER_SIZE 6400
 
 void setup() {