diff --git a/src/fru_utils.cpp b/src/fru_utils.cpp
index e030ac8..4199439 100644
--- a/src/fru_utils.cpp
+++ b/src/fru_utils.cpp
@@ -768,7 +768,7 @@
     return static_cast<unsigned int>(area) + 1;
 }
 
-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)
 {
     auto deviceMap = busMap.find(bus);
     if (deviceMap == busMap.end())