diff --git a/libs/vkd3d-shader/msl.c b/libs/vkd3d-shader/msl.c
index eb56e7f7c..430d02d40 100644
--- a/libs/vkd3d-shader/msl.c
+++ b/libs/vkd3d-shader/msl.c
@@ -1353,7 +1353,7 @@ static int msl_generator_generate(struct msl_generator *gen, struct vkd3d_shader
     vkd3d_string_buffer_printf(gen->buffer, "#include <metal_texture>\n\n");
     vkd3d_string_buffer_printf(gen->buffer, "using namespace metal;\n\n");
 
-    if (gen->program->global_flags)
+    if (gen->program->global_flags & ~VKD3DSGF_REFACTORING_ALLOWED)
         msl_compiler_error(gen, VKD3D_SHADER_ERROR_MSL_INTERNAL,
                 "Internal compiler error: Unhandled global flags %#"PRIx64".", (uint64_t)gen->program->global_flags);