diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index e56b4db7f09580c88cfcda1df87b93d1236aeff1..c51017303f1f4bcc6300e5056393ab2f3735466f 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -5,6 +5,7 @@ include_directories( ${CMAKE_SOURCE_DIR} )
 add_definitions(-DLIBWCCL_TEST_DATA_DIR="${PROJECT_SOURCE_DIR}/")
 
 add_executable(tests
+	constant_tests.cpp
 	main.cpp
 	variables.cpp
 	position.cpp