diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 8d8bcb5de238dabc20348758bb3807826b38fc50..6883f8ed9d207bccb2cd9da024e2e40cf929e308 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -1,7 +1,7 @@
-ADD_UNIT_TEST(static-equilibrium test_static_equilibrium)
+ADD_UNIT_TEST(static-equilibrium test_static_equilibrium.cpp)
 TARGET_LINK_LIBRARIES(static-equilibrium ${PROJECT_NAME})
 
-ADD_UNIT_TEST(lp-solvers test_LP_solvers)
+ADD_UNIT_TEST(lp-solvers test_LP_solvers.cpp)
 TARGET_LINK_LIBRARIES(lp-solvers ${PROJECT_NAME})
 
 IF(NOT ${PROJECT_SOURCE_DIR} STREQUAL ${PROJECT_BINARY_DIR})