diff --git a/docs/gst_plugins_cache.json b/docs/gst_plugins_cache.json
index 6bc6ef662e..7b315277ac 100644
--- a/docs/gst_plugins_cache.json
+++ b/docs/gst_plugins_cache.json
@@ -3153,7 +3153,6 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "default": "audio/x-raw",
                         "mutable": "null",
                         "readable": true,
                         "type": "GstCaps",
diff --git a/gst/autodetect/gstautodetect.c b/gst/autodetect/gstautodetect.c
index 8bfc530704..d6224fa89f 100644
--- a/gst/autodetect/gstautodetect.c
+++ b/gst/autodetect/gstautodetect.c
@@ -84,7 +84,8 @@ gst_auto_detect_class_init (GstAutoDetectClass * klass)
   g_object_class_install_property (gobject_class, PROP_CAPS,
       g_param_spec_boxed ("filter-caps", "Filter caps",
           "Filter sink candidates using these caps.", GST_TYPE_CAPS,
-          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
+          GST_PARAM_DOC_SHOW_DEFAULT));
 
   g_object_class_install_property (gobject_class, PROP_SYNC,
       g_param_spec_boolean ("sync", "Sync",