diff --git a/ext/alsa/gstalsasink.c b/ext/alsa/gstalsasink.c
index c89920523fdc9cc243a9c9794396aabcdf921601..7d7b443ec33f4c6633bb0937d58d9ad1604c6a78 100644
--- a/ext/alsa/gstalsasink.c
+++ b/ext/alsa/gstalsasink.c
@@ -910,7 +910,8 @@ gst_alsasink_prepare (GstAudioSink * asink, GstAudioRingBufferSpec * spec)
     if (chmap && chmap->channels == alsa->channels) {
       GstAudioChannelPosition pos[8];
       if (alsa_chmap_to_channel_positions (chmap, pos))
-	gst_audio_ring_buffer_set_channel_positions (GST_AUDIO_BASE_SINK (alsa)->ringbuffer, pos);
+        gst_audio_ring_buffer_set_channel_positions (GST_AUDIO_BASE_SINK
+            (alsa)->ringbuffer, pos);
     }
     free (chmap);
   }