1 files changed, 2 insertions, 2 deletions
diff --git a/ext/wavpack/gstwavpackdec.h b/ext/wavpack/gstwavpackdec.h
index 1f4a3835..0d8459e7 100644
--- a/ext/wavpack/gstwavpackdec.h
+++ b/ext/wavpack/gstwavpackdec.h
@@ -34,10 +34,10 @@ G_BEGIN_DECLS
 #define GST_WAVPACK_DEC(obj) \
   (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_WAVPACK_DEC,GstWavpackDec))
 #define GST_WAVPACK_DEC_CLASS(klass) \
-  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_WAVPACK_DEC,GstWavpackDec))
+  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_WAVPACK_DEC,GstWavpackDecClass))
 #define GST_IS_WAVPACK_DEC(obj) \
   (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_WAVPACK_DEC))
-#define GST_IS_WAVPACK_DEC_CLASS(obj) \
+#define GST_IS_WAVPACK_DEC_CLASS(klass) \
   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_WAVPACK_DEC))
 
 typedef struct _GstWavpackDec      GstWavpackDec;