diff --git a/src/nouveau/compiler/nak.rs b/src/nouveau/compiler/nak.rs
index c31d86ee328..55bddbc164c 100644
--- a/src/nouveau/compiler/nak.rs
+++ b/src/nouveau/compiler/nak.rs
@@ -116,7 +116,7 @@ fn nir_options(dev: &nv_device_info) -> nir_shader_compiler_options {
     op.lower_usub_sat = true; // TODO
     op.lower_iadd_sat = true; // TODO
     op.use_interpolated_input_intrinsics = true;
-    op.lower_int64_options = !0; //nir_lower_iadd64;
+    op.lower_int64_options = !nir_lower_iadd64;
 
     op
 }