diff --git a/src/include/util/impl/integral.H b/src/include/util/impl/integral.H
index b814e2655de..9cc39b222b2 100644
--- a/src/include/util/impl/integral.H
+++ b/src/include/util/impl/integral.H
@@ -1,7 +1,7 @@
 /* IBM_PROLOG_BEGIN_TAG                                                   */
 /* This is an automatically generated prolog.                             */
 /*                                                                        */
-/* $Source: src/include/util/traits/integral.H $                          */
+/* $Source: src/include/util/impl/integral.H $                            */
 /*                                                                        */
 /* OpenPOWER HostBoot Project                                             */
 /*                                                                        */
@@ -38,9 +38,8 @@ namespace std
         constexpr value_type operator()() const { return value; }
     };
 
-    struct true_type : integral_constant<bool, true> {};
-    struct false_type : integral_constant<bool, false> {};
-
+    typedef integral_constant<bool, true> true_type;
+    typedef integral_constant<bool, false> false_type;
 }
 #endif
 /* vim: set filetype=cpp : */
diff --git a/src/usr/testcore/lib/integral.H b/src/usr/testcore/lib/integral.H
index 74750582ed4..bead1c03fa3 100644
--- a/src/usr/testcore/lib/integral.H
+++ b/src/usr/testcore/lib/integral.H
@@ -82,6 +82,21 @@ class STLIntegralTest : public CxxTest::TestSuite
                 TS_FAIL("false_type is not false.");
             }
         }
+
+        void testTypes()
+        {
+            if (!std::is_same<std::true_type,
+                std::integral_constant<bool, true> >::value)
+            {
+                TS_FAIL("true_type and integral_constant<bool, true> are not the same type.");
+            }
+
+            if (!std::is_same<std::false_type,
+                std::integral_constant<bool, false> >::value)
+            {
+                TS_FAIL("true_type and integral_constant<bool, false> are not the same type.");
+            }
+        }
 };
 
 #endif
diff --git a/src/usr/testcore/lib/makefile b/src/usr/testcore/lib/makefile
index ea4b74ee48d..35c3a389597 100644
--- a/src/usr/testcore/lib/makefile
+++ b/src/usr/testcore/lib/makefile
@@ -27,11 +27,12 @@ ROOTPATH = ../../../..
 MODULE = testsyslib
 #@TODO-RTC:151185-Turn enable all test cases
 #TESTS = *.H
-TESTS = stltest.H
 #TODO RTC:204720
 #TESTS += synctest.H
-TESTS += tls.H
 
+TESTS = stltest.H
+TESTS += tls.H
+TESTS += integral.H
 SUBDIRS += runtime.d
 
 include ${ROOTPATH}/config.mk