diff --git a/ChangeLog b/ChangeLog
index fc1fc0c7c1..86d896fd69 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2006-09-17  Stefan Kost  <ensonic@users.sf.net>
+
+	* ext/mad/gstid3tag.c:
+	* gst/mpegstream/gstrfc2250enc.h:
+	* gst/synaesthesia/gstsynaesthesia.c:
+	  More G_OBJECT macro fixing.
+
 2006-09-15  Wim Taymans  <wim@fluendo.com>
 
 	Patch by: Yves Lefebvre <ivanohe at abacom dot com>
diff --git a/ext/mad/gstid3tag.c b/ext/mad/gstid3tag.c
index e6e0eaead2..4a74fc92d3 100644
--- a/ext/mad/gstid3tag.c
+++ b/ext/mad/gstid3tag.c
@@ -38,7 +38,7 @@ GST_DEBUG_CATEGORY_STATIC (gst_id3_tag_debug);
 #define GST_ID3_TAG(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ID3_TAG, GstID3Tag))
 #define GST_ID3_TAG_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ID3_TAG, GstID3TagClass))
 #define GST_IS_ID3_TAG(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ID3_TAG))
-#define GST_IS_ID3_TAG_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ID3_TAG))
+#define GST_IS_ID3_TAG_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ID3_TAG))
 #define GST_ID3_TAG_GET_CLASS(obj)   (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_ID3_TAG, GstID3TagClass))
 
 typedef struct _GstID3Tag GstID3Tag;
diff --git a/gst/mpegstream/gstrfc2250enc.h b/gst/mpegstream/gstrfc2250enc.h
index d6ac55ac3d..3b97e2d059 100644
--- a/gst/mpegstream/gstrfc2250enc.h
+++ b/gst/mpegstream/gstrfc2250enc.h
@@ -35,7 +35,7 @@ G_BEGIN_DECLS
   (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RFC2250_ENC,GstRFC2250EncClass))
 #define GST_IS_RFC2250_ENC(obj) \
   (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RFC2250_ENC))
-#define GST_IS_RFC2250_ENC_CLASS(obj) \
+#define GST_IS_RFC2250_ENC_CLASS(klass) \
   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RFC2250_ENC))
 
 #define GST_RFC2250_ENC_IS_MPEG2(parse) (GST_MPEG_PACKETIZE_IS_MPEG2 (GST_RFC2250_ENC (parse)->packetize))
diff --git a/gst/synaesthesia/gstsynaesthesia.c b/gst/synaesthesia/gstsynaesthesia.c
index 2fb82cbfe3..3e59c036d7 100644
--- a/gst/synaesthesia/gstsynaesthesia.c
+++ b/gst/synaesthesia/gstsynaesthesia.c
@@ -36,7 +36,7 @@
 #define GST_SYNAESTHESIA(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SYNAESTHESIA,GstSynaesthesia))
 #define GST_SYNAESTHESIA_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SYNAESTHESIA,GstSynaesthesia))
 #define GST_IS_SYNAESTHESIA(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SYNAESTHESIA))
-#define GST_IS_SYNAESTHESIA_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SYNAESTHESIA))
+#define GST_IS_SYNAESTHESIA_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SYNAESTHESIA))
 
 typedef struct _GstSynaesthesia GstSynaesthesia;
 typedef struct _GstSynaesthesiaClass GstSynaesthesiaClass;