diff --git a/src/gallium/auxiliary/nir/nir_to_tgsi.c b/src/gallium/auxiliary/nir/nir_to_tgsi.c
index 76ce2de7e45..b3bb405d18f 100644
--- a/src/gallium/auxiliary/nir/nir_to_tgsi.c
+++ b/src/gallium/auxiliary/nir/nir_to_tgsi.c
@@ -355,6 +355,8 @@ ntt_live_reg_setup_def_use(struct ntt_compile *c, nir_function_impl *impl, struc
 static void
 ntt_live_regs(struct ntt_compile *c, nir_function_impl *impl)
 {
+   nir_metadata_require(impl, nir_metadata_block_index);
+
    c->liveness = rzalloc_array(c, struct ntt_reg_interval, c->num_temps);
 
    struct ntt_live_reg_state state = {