diff --git a/CMakeLists.txt b/CMakeLists.txt
index f8bed2f..ec5add1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -108,5 +108,5 @@ if(BUILD_TESTS)
 	else()
 		target_link_libraries(check pugixml)
 	endif()
-	add_custom_command(TARGET check POST_BUILD COMMAND check WORKING_DIRECTORY ${CMAKE_SOURCE_DIR})
+	add_custom_command(TARGET check POST_BUILD COMMAND check WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
 endif()