diff --git a/gst/gstbufferpool.h b/gst/gstbufferpool.h
index 0fdf1001a0..1b7fa47292 100644
--- a/gst/gstbufferpool.h
+++ b/gst/gstbufferpool.h
@@ -49,6 +49,8 @@ struct _GstBufferPool {
   GstBufferPoolDestroyFunction destroy_buffer;
 };
 
+void _gst_buffer_pool_initialize (void);
+
 /* creating a new buffer pool from scratch */
 GstBufferPool*		gst_buffer_pool_new			(void);