diff --git a/test/openpower-pels/mocks.hpp b/test/openpower-pels/mocks.hpp
index 5781233..1654a9d 100644
--- a/test/openpower-pels/mocks.hpp
+++ b/test/openpower-pels/mocks.hpp
@@ -29,6 +29,10 @@
     MOCK_METHOD(std::string, getChassisState, (), (const override));
     MOCK_METHOD(std::string, getHostState, (), (const override));
     MOCK_METHOD(std::string, getMotherboardCCIN, (), (const override));
+    MOCK_METHOD(void, getHWCalloutFields,
+                (const std::string&, std::string&, std::string&, std::string&,
+                 std::string&),
+                (const override));
 
     void changeHostState(bool newState)
     {