diff --git a/include/rapidjson/rapidjson.h b/include/rapidjson/rapidjson.h
index 549936f..330803e 100644
--- a/include/rapidjson/rapidjson.h
+++ b/include/rapidjson/rapidjson.h
@@ -612,7 +612,8 @@ RAPIDJSON_NAMESPACE_END
 #if RAPIDJSON_HAS_CXX11_NOEXCEPT
 #define RAPIDJSON_NOEXCEPT_ASSERT(x)
 #else
-#define RAPIDJSON_NOEXCEPT_ASSERT(x) RAPIDJSON_ASSERT(x)
+#include <cassert>
+#define RAPIDJSON_NOEXCEPT_ASSERT(x) assert(x)
 #endif // RAPIDJSON_HAS_CXX11_NOEXCEPT
 #else
 #define RAPIDJSON_NOEXCEPT_ASSERT(x) RAPIDJSON_ASSERT(x)
diff --git a/test/unittest/unittest.h b/test/unittest/unittest.h
index 84c1b73..0afac09 100644
--- a/test/unittest/unittest.h
+++ b/test/unittest/unittest.h
@@ -122,6 +122,9 @@ public:
 
 #ifndef RAPIDJSON_ASSERT
 #define RAPIDJSON_ASSERT(x) (!(x) ? throw AssertException(RAPIDJSON_STRINGIFY(x)) : (void)0u)
+#ifndef RAPIDJSON_ASSERT_THROWS
+#define RAPIDJSON_ASSERT_THROWS
+#endif
 #endif
 
 class Random {