1 files changed, 1 insertions, 1 deletions
diff --git a/gr-blocks/include/gnuradio/blocks/annotator_1to1.h b/gr-blocks/include/gnuradio/blocks/annotator_1to1.h
index ce7ba2428a..e964e42d99 100644
--- a/gr-blocks/include/gnuradio/blocks/annotator_1to1.h
+++ b/gr-blocks/include/gnuradio/blocks/annotator_1to1.h
@@ -38,7 +38,7 @@ class BLOCKS_API annotator_1to1 : virtual public sync_block
 {
 public:
     // gr::blocks::annotator_1to1::sptr
-    typedef boost::shared_ptr<annotator_1to1> sptr;
+    typedef std::shared_ptr<annotator_1to1> sptr;
 
     static sptr make(int when, size_t sizeof_stream_item);