diff --git a/CMakeLists.txt b/CMakeLists.txt
index 68d4f0fc0..0abc55fef 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -451,6 +451,8 @@ if(NOT USE_STATIC_LIBC)
 endif()
 
 set(LAF_WITH_TESTS ${ENABLE_TESTS} CACHE BOOL "Enable LAF tests")
+set(UNDO_TESTS     ${ENABLE_TESTS} CACHE BOOL "Enable undo tests")
+
 add_subdirectory(laf)
 
 add_subdirectory(src)