diff --git a/test/test_stack.cpp b/test/test_stack.cpp
index 35d287a1..49e352ce 100644
--- a/test/test_stack.cpp
+++ b/test/test_stack.cpp
@@ -236,16 +236,16 @@ namespace
       stack.push(4);
 
       stack.pop_into(i);
-      CHECK_EQUAL(4U, i);
+      CHECK_EQUAL(4, i);
 
       stack.pop_into(i);
-      CHECK_EQUAL(3U, i);
+      CHECK_EQUAL(3, i);
 
       stack.pop_into(i);
-      CHECK_EQUAL(2U, i);
+      CHECK_EQUAL(2, i);
 
       stack.pop_into(i);
-      CHECK_EQUAL(1U, i);
+      CHECK_EQUAL(1, i);
     }
 
     //*************************************************************************
diff --git a/test/test_type_lookup.cpp b/test/test_type_lookup.cpp
index 9edb347a..28bfd17b 100644
--- a/test/test_type_lookup.cpp
+++ b/test/test_type_lookup.cpp
@@ -186,7 +186,7 @@ namespace
     //*************************************************************************
     TEST(test_id_from_type_8)
     {
-      CHECK_EQUAL((unsigned int)Type1::ID,  (unsigned int) Type_Id_Lookup8::id_from_type<Type1>::value);
+      CHECK_EQUAL((unsigned int) Type1::ID,  (unsigned int) Type_Id_Lookup8::id_from_type<Type1>::value);
       CHECK_EQUAL((unsigned int) Type2::ID,  (unsigned int) Type_Id_Lookup8::id_from_type<Type2>::value);
       CHECK_EQUAL((unsigned int) Type3::ID,  (unsigned int) Type_Id_Lookup8::id_from_type<Type3>::value);
       CHECK_EQUAL((unsigned int) Type4::ID,  (unsigned int) Type_Id_Lookup8::id_from_type<Type4>::value);