diff --git a/src/ipmiblob/ipmi_handler.hpp b/src/ipmiblob/ipmi_handler.hpp
index 34177ae..21d0fc7 100644
--- a/src/ipmiblob/ipmi_handler.hpp
+++ b/src/ipmiblob/ipmi_handler.hpp
@@ -37,7 +37,8 @@
      * @throws IpmiException on failure.
      */
     std::vector<std::uint8_t>
-        sendPacket(std::vector<std::uint8_t>& data) override;
+        sendPacket(std::uint8_t netfn, std::uint8_t cmd,
+                   std::vector<std::uint8_t>& data) override;
 
   private:
     const internal::Sys* sys;