diff --git a/src/nouveau/compiler/nak_nir.c b/src/nouveau/compiler/nak_nir.c
index 13ca91e2909..b488f42e4cf 100644
--- a/src/nouveau/compiler/nak_nir.c
+++ b/src/nouveau/compiler/nak_nir.c
@@ -1073,6 +1073,8 @@ nak_postprocess_nir(nir_shader *nir,
       nak_optimize_nir(nir, nak);
    }
 
+   OPT(nir, nir_opt_shrink_vectors);
+
    nir_load_store_vectorize_options vectorize_opts = {};
    vectorize_opts.modes = nir_var_mem_global |
                           nir_var_mem_ssbo |