diff --git a/Tests/UnitTests/Numeric/CMakeLists.txt b/Tests/UnitTests/Numeric/CMakeLists.txt
index 7fc6e7eb387c35b9da0c321caf2dc452db8502d8..dcf378af198be025a4f0b606cb18bf1f977541d3 100644
--- a/Tests/UnitTests/Numeric/CMakeLists.txt
+++ b/Tests/UnitTests/Numeric/CMakeLists.txt
@@ -6,11 +6,12 @@ if(MSVC)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DGTEST_LINKED_AS_SHARED_LIBRARY=1")
 endif()
 
-include_directories(${CMAKE_SOURCE_DIR}/Tests/UnitTests/utilities)
-
 file(GLOB source_files "*.cpp" ${CMAKE_SOURCE_DIR}/Tests/GTestWrapper/TestAll.cpp)
 
 add_executable(${test} ${source_files})
+target_include_directories(${test} PUBLIC
+    ${CMAKE_SOURCE_DIR}/ThirdParty/common/gtest/gtest-1.8.0/include
+    ${CMAKE_SOURCE_DIR}/Tests/UnitTests/utilities)
 target_link_libraries(${test} ${BornAgainCore_LIBRARY} gtest)
 if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
     target_compile_options(${test} PUBLIC "-Wno-deprecated-copy")