diff --git a/gst-libs/gst/audio/audio.h b/gst-libs/gst/audio/audio.h
index 283d0ac3cd..dac40fc68b 100644
--- a/gst-libs/gst/audio/audio.h
+++ b/gst-libs/gst/audio/audio.h
@@ -352,7 +352,7 @@ typedef enum {
   GST_AUDIO_CHANNEL_POSITION_SURROUND_RIGHT
 } GstAudioChannelPosition;
 
-#define GST_AUDIO_CHANNEL_POSITION_MASK(pos) (G_GUINT64_CONSTANT(1)<< GST_AUDIO_CHANNEL_POSITION ## pos)
+#define GST_AUDIO_CHANNEL_POSITION_MASK(pos) (G_GUINT64_CONSTANT(1)<< GST_AUDIO_CHANNEL_POSITION_ ## pos)
 
 /**
  * GstAudioFlags: