diff --git a/src/microsoft/compiler/nir_to_dxil.c b/src/microsoft/compiler/nir_to_dxil.c
index 095d9f35115..7cec75b32b8 100644
--- a/src/microsoft/compiler/nir_to_dxil.c
+++ b/src/microsoft/compiler/nir_to_dxil.c
@@ -5730,11 +5730,11 @@ nir_to_dxil(struct nir_shader *s, const struct nir_to_dxil_options *opts,
    if (s->info.stage <= MESA_SHADER_FRAGMENT) {
       uint64_t in_mask =
          s->info.stage == MESA_SHADER_VERTEX ?
-         0 : (VARYING_BIT_PRIMITIVE_ID | VARYING_BIT_VIEWPORT);
+         0 : (VARYING_BIT_PRIMITIVE_ID | VARYING_BIT_VIEWPORT | VARYING_BIT_LAYER);
       uint64_t out_mask =
          s->info.stage == MESA_SHADER_FRAGMENT ?
          ((1ull << FRAG_RESULT_STENCIL) | (1ull << FRAG_RESULT_SAMPLE_MASK)) :
-         (VARYING_BIT_PRIMITIVE_ID | VARYING_BIT_VIEWPORT);
+         (VARYING_BIT_PRIMITIVE_ID | VARYING_BIT_VIEWPORT | VARYING_BIT_LAYER);
 
       NIR_PASS_V(s, dxil_nir_fix_io_uint_type, in_mask, out_mask);
    }