diff --git a/cstdint_test.cpp b/cstdint_test.cpp
index 8fee58f..eb88c32 100644
--- a/cstdint_test.cpp
+++ b/cstdint_test.cpp
@@ -99,6 +99,8 @@ void integral_constant_type_check(T1, T2)
    // numeric_limits implementations currently
    // vary too much, or are incomplete or missing.
    //
+   T1 t1 = -1;
+   T2 t2 = -1;
 #if defined(BOOST_HAS_STDINT_H)
    // if we have a native stdint.h
    // then the INTXX_C macros may define
@@ -106,10 +108,8 @@ void integral_constant_type_check(T1, T2)
    assert(sizeof(T1) <= sizeof(T2));
 #else
    assert(sizeof(T1) == sizeof(T2));
-#endif
-   T1 t1 = -1;
-   T2 t2 = -1;
    assert(t1 == t2);
+#endif
    if(t1 >= 0)
      assert(t2 >= 0);
    else