1 files changed, 1 insertions, 1 deletions
diff --git a/ext/alsa/gstalsamixerelement.h b/ext/alsa/gstalsamixerelement.h
index 67cb3918..16cb2458 100644
--- a/ext/alsa/gstalsamixerelement.h
+++ b/ext/alsa/gstalsamixerelement.h
@@ -29,7 +29,7 @@ G_BEGIN_DECLS
 #define GST_ALSA_MIXER_ELEMENT(obj)             (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ALSA_MIXER_ELEMENT,GstAlsaMixerElement))
 #define GST_ALSA_MIXER_ELEMENT_CLASS(klass)     (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ALSA_MIXER_ELEMENT,GstAlsaMixerElementClass))
 #define GST_IS_ALSA_MIXER_ELEMENT(obj)          (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ALSA_MIXER_ELEMENT))
-#define GST_IS_ALSA_MIXER_ELEMENT_CLASS(obj)    (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ALSA_MIXER_ELEMENT))
+#define GST_IS_ALSA_MIXER_ELEMENT_CLASS(klass)  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ALSA_MIXER_ELEMENT))
 #define GST_TYPE_ALSA_MIXER_ELEMENT             (gst_alsa_mixer_element_get_type())
 
 typedef struct _GstAlsaMixerElement GstAlsaMixerElement;