1 files changed, 1 insertions, 0 deletions
diff --git a/gnuradio-runtime/include/gnuradio/sptr_magic.h b/gnuradio-runtime/include/gnuradio/sptr_magic.h
index 898edc87fd..6deb3062ae 100644
--- a/gnuradio-runtime/include/gnuradio/sptr_magic.h
+++ b/gnuradio-runtime/include/gnuradio/sptr_magic.h
@@ -38,6 +38,7 @@ namespace gnuradio {
     public:
       static boost::shared_ptr<gr::basic_block> fetch_initial_sptr(gr::basic_block *p);
       static void create_and_stash_initial_sptr(gr::hier_block2 *p);
+      static void cancel_initial_sptr(gr::hier_block2 *p);
     };
   };