diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0ef3a508..9484a602 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -95,6 +95,7 @@ else()
   if (WIN32 AND CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
     set(WITH_OUR_MALLOC ON CACHE BOOL "aaa" FORCE)
   endif()
+  set(BUILD_TESTS OFF CACHE BOOL "come on" FORCE)
   add_subdirectory(extern/fftw EXCLUDE_FROM_ALL)
   list(APPEND DEPENDENCIES_INCLUDE_DIRS extern/fftw/api)
   list(APPEND DEPENDENCIES_LIBRARIES fftw3)