diff --git a/ext/gl/gstglstereomix.c b/ext/gl/gstglstereomix.c
index e2bf105d95..464fad1354 100644
--- a/ext/gl/gstglstereomix.c
+++ b/ext/gl/gstglstereomix.c
@@ -185,7 +185,7 @@ gst_gl_stereo_mix_class_init (GstGLStereoMixClass * klass)
   g_object_class_install_property (gobject_class, PROP_DOWNMIX_MODE,
       g_param_spec_enum ("downmix-mode", "Mode for mono downmixed output",
           "Output anaglyph type to generate when downmixing to mono",
-          GST_TYPE_GL_STEREO_DOWNMIX_MODE_TYPE, DEFAULT_DOWNMIX,
+          GST_TYPE_GL_STEREO_DOWNMIX, DEFAULT_DOWNMIX,
           G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   gst_element_class_add_static_pad_template_with_gtype (element_class,