diff --git a/include/fru_utils.hpp b/include/fru_utils.hpp
index f1d8e94..d1784cd 100644
--- a/include/fru_utils.hpp
+++ b/include/fru_utils.hpp
@@ -123,7 +123,7 @@
     formatIPMIFRU(const std::vector<uint8_t>& fruBytes,
                   boost::container::flat_map<std::string, std::string>& result);
 
-std::vector<uint8_t>& getFRUInfo(const uint8_t& bus, const uint8_t& address);
+std::vector<uint8_t>& getFRUInfo(const uint16_t& bus, const uint8_t& address);
 
 uint8_t calculateChecksum(std::vector<uint8_t>::const_iterator iter,
                           std::vector<uint8_t>::const_iterator end);