1 files changed, 1 insertions, 1 deletions
diff --git a/gr-blocks/include/gnuradio/blocks/argmax.h b/gr-blocks/include/gnuradio/blocks/argmax.h
index bc0edf300b..48d8d0503d 100644
--- a/gr-blocks/include/gnuradio/blocks/argmax.h
+++ b/gr-blocks/include/gnuradio/blocks/argmax.h
@@ -39,7 +39,7 @@ template <class T>
 class BLOCKS_API argmax : virtual public sync_block
 {
 public:
-    typedef boost::shared_ptr<argmax<T>> sptr;
+    typedef std::shared_ptr<argmax<T>> sptr;
 
     static sptr make(size_t vlen);
 };