1 files changed, 3 insertions, 3 deletions
diff --git a/gr-digital/lib/protocol_formatter_bb_impl.h b/gr-digital/lib/protocol_formatter_bb_impl.h
index f38771b5ce..c645664858 100644
--- a/gr-digital/lib/protocol_formatter_bb_impl.h
+++ b/gr-digital/lib/protocol_formatter_bb_impl.h
@@ -24,12 +24,12 @@ private:
 public:
     protocol_formatter_bb_impl(const header_format_base::sptr& format,
                                const std::string& len_tag_key);
-    ~protocol_formatter_bb_impl();
+    ~protocol_formatter_bb_impl() override;
 
-    void set_header_format(header_format_base::sptr& format);
+    void set_header_format(header_format_base::sptr& format) override;
 
     void remove_length_tags(const std::vector<std::vector<tag_t>>& tags){};
-    int calculate_output_stream_length(const gr_vector_int& ninput_items)
+    int calculate_output_stream_length(const gr_vector_int& ninput_items) override
     {
         return d_format->header_nbytes();
     };