diff --git a/src/intel/compiler/brw_nir.c b/src/intel/compiler/brw_nir.c
index 0f929947696..ae239de6117 100644
--- a/src/intel/compiler/brw_nir.c
+++ b/src/intel/compiler/brw_nir.c
@@ -740,8 +740,6 @@ brw_preprocess_nir(const struct brw_compiler *compiler, nir_shader *nir,
       brw_nir_no_indirect_mask(compiler, nir->info.stage);
    OPT(nir_lower_indirect_derefs, indirect_mask);
 
-   OPT(brw_nir_lower_mem_access_bit_sizes);
-
    /* Get rid of split copies */
    nir = brw_nir_optimize(nir, compiler, is_scalar, false);
 
@@ -809,6 +807,7 @@ brw_postprocess_nir(nir_shader *nir, const struct brw_compiler *compiler,
 
    UNUSED bool progress; /* Written by OPT */
 
+   OPT(brw_nir_lower_mem_access_bit_sizes);
 
    do {
       progress = false;