diff --git a/tests/test_lex_boolean.cpp b/tests/test_lex_boolean.cpp
index c2e43a8..c872de3 100644
--- a/tests/test_lex_boolean.cpp
+++ b/tests/test_lex_boolean.cpp
@@ -1,5 +1,10 @@
 #define BOOST_TEST_MODULE "test_lex_boolean"
+#ifdef UNITTEST_FRAMEWORK_LIBRARY_EXIST
 #include <boost/test/unit_test.hpp>
+#else
+#define BOOST_TEST_NO_LIB
+#include <boost/test/included/unit_test.hpp>
+#endif
 #include <toml/lexer.hpp>
 #include "test_lex_aux.hpp"
 
diff --git a/tests/test_lex_datetime.cpp b/tests/test_lex_datetime.cpp
index a790eeb..fa9b4c3 100644
--- a/tests/test_lex_datetime.cpp
+++ b/tests/test_lex_datetime.cpp
@@ -1,5 +1,10 @@
 #define BOOST_TEST_MODULE "test_lex_datetime"
+#ifdef UNITTEST_FRAMEWORK_LIBRARY_EXIST
 #include <boost/test/unit_test.hpp>
+#else
+#define BOOST_TEST_NO_LIB
+#include <boost/test/included/unit_test.hpp>
+#endif
 #include <toml/lexer.hpp>
 #include "test_lex_aux.hpp"
 
diff --git a/tests/test_lex_floating.cpp b/tests/test_lex_floating.cpp
index 9c5c809..882cd81 100644
--- a/tests/test_lex_floating.cpp
+++ b/tests/test_lex_floating.cpp
@@ -1,5 +1,10 @@
 #define BOOST_TEST_MODULE "test_lex_floating"
+#ifdef UNITTEST_FRAMEWORK_LIBRARY_EXIST
 #include <boost/test/unit_test.hpp>
+#else
+#define BOOST_TEST_NO_LIB
+#include <boost/test/included/unit_test.hpp>
+#endif
 #include <toml/lexer.hpp>
 #include <limits>
 #include "test_lex_aux.hpp"
diff --git a/tests/test_lex_integer.cpp b/tests/test_lex_integer.cpp
index bb6dbb7..f16c81c 100644
--- a/tests/test_lex_integer.cpp
+++ b/tests/test_lex_integer.cpp
@@ -1,5 +1,10 @@
 #define BOOST_TEST_MODULE "test_lex_integer"
+#ifdef UNITTEST_FRAMEWORK_LIBRARY_EXIST
 #include <boost/test/unit_test.hpp>
+#else
+#define BOOST_TEST_NO_LIB
+#include <boost/test/included/unit_test.hpp>
+#endif
 #include <toml/lexer.hpp>
 #include "test_lex_aux.hpp"
 
diff --git a/tests/test_lex_key_comment.cpp b/tests/test_lex_key_comment.cpp
index 0921bd6..ba5c37c 100644
--- a/tests/test_lex_key_comment.cpp
+++ b/tests/test_lex_key_comment.cpp
@@ -1,5 +1,10 @@
 #define BOOST_TEST_MODULE "lex_key_comment_test"
+#ifdef UNITTEST_FRAMEWORK_LIBRARY_EXIST
 #include <boost/test/unit_test.hpp>
+#else
+#define BOOST_TEST_NO_LIB
+#include <boost/test/included/unit_test.hpp>
+#endif
 #include <toml/lexer.hpp>
 #include "test_lex_aux.hpp"
 
diff --git a/tests/test_lex_string.cpp b/tests/test_lex_string.cpp
index 643ab31..0671358 100644
--- a/tests/test_lex_string.cpp
+++ b/tests/test_lex_string.cpp
@@ -1,5 +1,10 @@
 #define BOOST_TEST_MODULE "test_lex_string"
+#ifdef UNITTEST_FRAMEWORK_LIBRARY_EXIST
 #include <boost/test/unit_test.hpp>
+#else
+#define BOOST_TEST_NO_LIB
+#include <boost/test/included/unit_test.hpp>
+#endif
 #include <toml/lexer.hpp>
 #include "test_lex_aux.hpp"
 
diff --git a/tests/test_result.cpp b/tests/test_result.cpp
index d693bd6..36368a2 100644
--- a/tests/test_result.cpp
+++ b/tests/test_result.cpp
@@ -1,5 +1,10 @@
 #define BOOST_TEST_MODULE "test_result"
+#ifdef UNITTEST_FRAMEWORK_LIBRARY_EXIST
 #include <boost/test/unit_test.hpp>
+#else
+#define BOOST_TEST_NO_LIB
+#include <boost/test/included/unit_test.hpp>
+#endif
 #include <iostream>
 #include <toml/result.hpp>
 
diff --git a/tests/test_string.cpp b/tests/test_string.cpp
index 444fc63..473c611 100644
--- a/tests/test_string.cpp
+++ b/tests/test_string.cpp
@@ -1,5 +1,10 @@
 #define BOOST_TEST_MODULE "test_string"
+#ifdef UNITTEST_FRAMEWORK_LIBRARY_EXIST
 #include <boost/test/unit_test.hpp>
+#else
+#define BOOST_TEST_NO_LIB
+#include <boost/test/included/unit_test.hpp>
+#endif
 #include <toml.hpp>
 
 BOOST_AUTO_TEST_CASE(test_basic_string)