diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4de7b6b..56fc125 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -407,12 +407,12 @@ set(LIBVNCSERVER_TESTS
     vncev
   )
 
-if(Threads_FOUND)
+if(CMAKE_USE_PTHREADS_INIT)
   set(LIBVNCSERVER_TESTS
     ${LIBVNCSERVER_TESTS}
     blooptest
   )
-endif(Threads_FOUND)
+endif(CMAKE_USE_PTHREADS_INIT)
 
 if(WITH_TIGHTVNC_FILETRANSFER AND CMAKE_USE_PTHREADS_INIT)
   set(LIBVNCSERVER_TESTS