diff --git a/ports/raspberrypi/common-hal/audiopwmio/PWMAudioOut.c b/ports/raspberrypi/common-hal/audiopwmio/PWMAudioOut.c
index 9f2c877416..f5bfd2d0df 100644
--- a/ports/raspberrypi/common-hal/audiopwmio/PWMAudioOut.c
+++ b/ports/raspberrypi/common-hal/audiopwmio/PWMAudioOut.c
@@ -130,7 +130,7 @@ void common_hal_audiopwmio_pwmaudioout_play(audiopwmio_pwmaudioout_obj_t *self,
     if (self->dma.channel[0] < NUM_DMA_CHANNELS) {
         if (common_hal_audiopwmio_pwmaudioout_get_playing(self)) {
             common_hal_audiopwmio_pwmaudioout_stop(self);
-	}
+        }
     }
 
     // TODO: Share pacing timers based on frequency.