diff --git a/src/gallium/frontends/rusticl/core/kernel.rs b/src/gallium/frontends/rusticl/core/kernel.rs
index ff077b23d7b..d30ffd217b1 100644
--- a/src/gallium/frontends/rusticl/core/kernel.rs
+++ b/src/gallium/frontends/rusticl/core/kernel.rs
@@ -620,6 +620,8 @@ fn lower_and_optimize_nir(
         Some(glsl_get_cl_type_size_align),
     );
 
+    opt_nir(nir, dev);
+
     nir_pass!(
         nir,
         nir_lower_explicit_io,