diff --git a/test/openpower-pels/fru_identity_test.cpp b/test/openpower-pels/fru_identity_test.cpp
index 28a8e98..24ac5fe 100644
--- a/test/openpower-pels/fru_identity_test.cpp
+++ b/test/openpower-pels/fru_identity_test.cpp
@@ -89,7 +89,7 @@
     EXPECT_THROW(FRUIdentity fru{stream}, std::out_of_range);
 }
 
-void testHWCallout(const std::string& pn, const std::string ccin,
+void testHWCallout(const std::string& pn, const std::string& ccin,
                    const std::string& sn, const std::string& expectedPN,
                    const std::string& expectedCCIN,
                    const std::string& expectedSN)