diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index a2ef9c9..f672add 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -22,7 +22,7 @@ endif()
 
 find_package(doctest 2.4.4 CONFIG REQUIRED)
 # for doctest_discover_tests
-include(doctest)
+include(doctest/doctest)
 
 # ---- Test ----