1 files changed, 2 insertions, 2 deletions
diff --git a/gst/smoothwave/gstsmoothwave.h b/gst/smoothwave/gstsmoothwave.h
index fe935a787..3b46d4747 100644
--- a/gst/smoothwave/gstsmoothwave.h
+++ b/gst/smoothwave/gstsmoothwave.h
@@ -35,10 +35,10 @@ extern "C"
 #define GST_SMOOTHWAVE(obj) \
   (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SMOOTHWAVE,GstSmoothWave))
 #define GST_SMOOTHWAVE_CLASS(klass) \
-  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SMOOTHWAVE,GstSmoothWave))
+  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SMOOTHWAVE,GstSmoothWaveClass))
 #define GST_IS_SMOOTHWAVE(obj) \
   (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SMOOTHWAVE))
-#define GST_IS_SMOOTHWAVE_CLASS(obj) \
+#define GST_IS_SMOOTHWAVE_CLASS(klass) \
   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SMOOTHWAVE))
 
   typedef struct _GstSmoothWave GstSmoothWave;