diff --git a/gst/gsttypefind.c b/gst/gsttypefind.c
index 1f0b16d001..9474c4ce68 100644
--- a/gst/gsttypefind.c
+++ b/gst/gsttypefind.c
@@ -74,7 +74,7 @@ gst_type_find_get_type (void)
 gboolean
 gst_type_find_register (GstPlugin * plugin, const gchar * name, guint rank,
     GstTypeFindFunction func, gchar ** extensions,
-    const GstCaps * possible_caps, gpointer data, GDestroyNotify data_notify)
+    GstCaps * possible_caps, gpointer data, GDestroyNotify data_notify)
 {
   GstTypeFindFactory *factory;
 
@@ -93,7 +93,7 @@ gst_type_find_register (GstPlugin * plugin, const gchar * name, guint rank,
     g_strfreev (factory->extensions);
   factory->extensions = g_strdupv (extensions);
 
-  gst_caps_replace (&factory->caps, (GstCaps *) possible_caps);
+  gst_caps_replace (&factory->caps, possible_caps);
   factory->function = func;
   factory->user_data = data;
   factory->user_data_notify = data_notify;
diff --git a/gst/gsttypefind.h b/gst/gsttypefind.h
index 27c7e32d0a..4dcdc8549b 100644
--- a/gst/gsttypefind.h
+++ b/gst/gsttypefind.h
@@ -115,7 +115,7 @@ gboolean  gst_type_find_register   (GstPlugin            * plugin,
                                     guint                  rank,
                                     GstTypeFindFunction    func,
                                     gchar               ** extensions,
-                                    const GstCaps        * possible_caps,
+                                    GstCaps              * possible_caps,
                                     gpointer               data,
                                     GDestroyNotify         data_notify);