diff --git a/ChangeLog b/ChangeLog
index 351505aa48..007c6a719a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2009-01-05  Zaheer Abbas Merali  <zaheerabbas at merali dot org>
+
+	* gst/mpegdemux/gstmpegdesc.h:
+	Fix up satellite delivery subsystem defs.
+
 2009-01-05  Zaheer Abbas Merali  <zaheerabbas at merali dot org>
 
 	* gst/mpegdemux/gstmpegdesc.h:
diff --git a/gst/mpegdemux/gstmpegdesc.h b/gst/mpegdemux/gstmpegdesc.h
index dc6851bdbc..84b4000932 100644
--- a/gst/mpegdemux/gstmpegdesc.h
+++ b/gst/mpegdemux/gstmpegdesc.h
@@ -279,7 +279,7 @@
 #define DESC_DVB_SATELLITE_DELIVERY_SYSTEM_frequency(desc)	(desc + 2)
 #define DESC_DVB_SATELLITE_DELIVERY_SYSTEM_orbital_position(desc)	(desc + 6)
 #define DESC_DVB_SATELLITE_DELIVERY_SYSTEM_west_east_flag(desc)	((desc[8] & 0x80) == 0x80)
-#define DESC_DVB_SATELLITE_DELIVERY_SYSTEM_polarization(desc)	((desc[8] & 0x60) >> 5)
+#define DESC_DVB_SATELLITE_DELIVERY_SYSTEM_polarization(desc)	((desc[8] >> 5) & 0x3)
 #define DESC_DVB_SATELLITE_DELIVERY_SYSTEM_modulation(desc)	(desc[8] & 0x1F)
 #define DESC_DVB_SATELLITE_DELIVERY_SYSTEM_symbol_rate(desc)	(desc + 9)
 #define DESC_DVB_SATELLITE_DELIVERY_SYSTEM_fec_inner(desc)	(desc[12] & 0x0F)