diff --git a/gst-libs/gst/interfaces/tunernorm.h b/gst-libs/gst/interfaces/tunernorm.h
index f306f1a9be..d93cb13cc9 100644
--- a/gst-libs/gst/interfaces/tunernorm.h
+++ b/gst-libs/gst/interfaces/tunernorm.h
@@ -37,25 +37,28 @@ G_BEGIN_DECLS
 #define GST_IS_TUNER_NORM_CLASS(klass) \
   (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_TUNER_NORM))
 
+typedef struct _GstTunerNorm GstTunerNorm;
+typedef struct _GstTunerNormClass GstTunerNormClass;
+
 /**
  * GstTunerNorm:
  * @label: A string containing a descriptive name for the norm
  * @framerate: A GValue containing the framerate associated with this norm,
  *             if any. (May be unset).
  */
-typedef struct _GstTunerNorm {
+struct _GstTunerNorm {
   GObject parent;
 
   /*< public >*/
   gchar  *label;
   GValue  framerate;
-} GstTunerNorm;
+};
 
-typedef struct _GstTunerNormClass {
+struct _GstTunerNormClass {
   GObjectClass parent;
 
   gpointer _gst_reserved[GST_PADDING];
-} GstTunerNormClass;
+};
 
 GType           gst_tuner_norm_get_type         (void);