diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 9ff9ef09e6020f2dc9ef28228c6a09d5862d6604..d56cf9053811e8349e6b32e5223bd2d25965d006 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -6,6 +6,6 @@ SET(${PROJECT_NAME}_TESTS
   )
 
 FOREACH(test ${${PROJECT_NAME}_TESTS})
-  ADD_UNIT_TEST("${test}" "test-${test}")
+  ADD_UNIT_TEST("${test}" "test-${test}.cpp")
   TARGET_LINK_LIBRARIES(${test} ${PROJECT_NAME})
 ENDFOREACH(test)