diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index d3a82a438..99205ab8f 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -386,7 +386,7 @@ function(pybind11_enable_warnings target_name)
               -Wnon-virtual-dtor)
   endif()
 
-  if(PYBIND11_WERROR AND NOT PYBIND11_WERROR)
+  if(PYBIND11_WERROR)
     if(MSVC)
       target_compile_options(${target_name} PRIVATE /WX)
     elseif(PYBIND11_CUDA_TESTS)