diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 38ba4d25..f51e7bfa 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -62,6 +62,8 @@ SET(test_runner_SRCS
   test_mpc.cpp
 )
 
+INCLUDE_DIRECTORIES(${CPPUNIT_INCLUDE_DIR})
+
 ADD_EXECUTABLE(test_runner ${test_runner_SRCS})
 TARGET_LINK_LIBRARIES(test_runner tag ${CPPUNIT_LIBRARIES})