diff --git a/gst-libs/gst/gl/gstglviewconvert.h b/gst-libs/gst/gl/gstglviewconvert.h
index de14bb4bd4..71a7ef908e 100644
--- a/gst-libs/gst/gl/gstglviewconvert.h
+++ b/gst-libs/gst/gl/gstglviewconvert.h
@@ -43,7 +43,7 @@ G_BEGIN_DECLS
  *
  * Output anaglyph type to generate when downmixing to mono
  */
-typedef enum _GstGLStereoDownmix {
+typedef enum {
   GST_GL_STEREO_DOWNMIX_ANAGLYPH_GREEN_MAGENTA_DUBOIS,
   GST_GL_STEREO_DOWNMIX_ANAGLYPH_RED_CYAN_DUBOIS,
   GST_GL_STEREO_DOWNMIX_ANAGLYPH_AMBER_BLUE_DUBOIS,