diff --git a/src/compiler/nir/nir_lower_bool_to_int32.c b/src/compiler/nir/nir_lower_bool_to_int32.c
index 064b27b9025..fdd2f55175d 100644
--- a/src/compiler/nir/nir_lower_bool_to_int32.c
+++ b/src/compiler/nir/nir_lower_bool_to_int32.c
@@ -46,6 +46,8 @@ lower_alu_instr(nir_alu_instr *alu)
 {
    const nir_op_info *op_info = &nir_op_infos[alu->op];
 
+   assert(alu->dest.dest.is_ssa);
+
    switch (alu->op) {
    case nir_op_imov:
    case nir_op_vec2:
diff --git a/src/intel/compiler/brw_nir.c b/src/intel/compiler/brw_nir.c
index ab88a5f1fc7..4fdc98b6cf4 100644
--- a/src/intel/compiler/brw_nir.c
+++ b/src/intel/compiler/brw_nir.c
@@ -832,6 +832,8 @@ brw_postprocess_nir(nir_shader *nir, const struct brw_compiler *compiler,
    OPT(nir_opt_dce);
    OPT(nir_opt_move_comparisons);
 
+   OPT(nir_lower_bool_to_int32);
+
    OPT(nir_lower_locals_to_regs);
 
    if (unlikely(debug_enabled)) {
@@ -846,8 +848,6 @@ brw_postprocess_nir(nir_shader *nir, const struct brw_compiler *compiler,
       nir_print_shader(nir, stderr);
    }
 
-   OPT(nir_lower_bool_to_int32);
-
    OPT(nir_convert_from_ssa, true);
 
    if (!is_scalar) {