--- test/CMakeLists.txt.orig	2017-08-07 14:52:39 UTC
+++ test/CMakeLists.txt
@@ -10,7 +10,7 @@ if(BUILD_TESTS)
 
         enable_testing()
 
-        INCLUDE_DIRECTORIES(BEFORE ${CMAKE_SOURCE_DIR}/src ${Boost_INCLUDE_DIRS})
+        INCLUDE_DIRECTORIES(BEFORE ${Boost_INCLUDE_DIRS} ${CMAKE_SOURCE_DIR}/src)
 
         set(cpp_tests
             basic.cpp