diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index cf2fe9a..667416b 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -13,7 +13,7 @@ foreach(case IN LISTS TESTCASES)
 
   message(STATUS "${CMAKE_BINARY_DIR}")
   find_program(BASH_PROGRAM bash)
-  execute_process(COMMAND find . -name "*test.cc" -type f -delete)
+  execute_process(COMMAND find ${CMAKE_CURRENT_SOURCE_DIR}/Hetero-Mark -name "*test.cc" -type f -delete)
   add_test(
     NAME "${case}"
     COMMAND