diff --git a/lib/cpp/test/SpecializationTest.cpp b/lib/cpp/test/SpecializationTest.cpp
index 954585a..fae1d32 100644
--- a/lib/cpp/test/SpecializationTest.cpp
+++ b/lib/cpp/test/SpecializationTest.cpp
@@ -18,7 +18,7 @@
   OneOfEach ooe;
   ooe.im_true   = true;
   ooe.im_false  = false;
-  ooe.a_bite    = 0xd6;
+  ooe.a_bite    = 0x7f;
   ooe.integer16 = 27000;
   ooe.integer32 = 1<<24;
   ooe.integer64 = (uint64_t)6000 * 1000 * 1000;
@@ -100,7 +100,7 @@
 
   assert(hm == hm2);
 
-  hm2.big[0].a_bite = 0xFF;
+  hm2.big[0].a_bite = 0x00;
 
   assert(hm != hm2);