diff --git a/src/amd/vulkan/radv_shader_args.c b/src/amd/vulkan/radv_shader_args.c
index 7bc5ec01d86..e345c8c7c1d 100644
--- a/src/amd/vulkan/radv_shader_args.c
+++ b/src/amd/vulkan/radv_shader_args.c
@@ -148,8 +148,9 @@ declare_vs_input_vgprs(enum amd_gfx_level gfx_level, const struct radv_shader_in
 {
    ac_add_arg(&args->ac, AC_ARG_VGPR, 1, AC_ARG_INT, &args->ac.vertex_id);
    if (info->type != RADV_SHADER_TYPE_GS_COPY) {
-      if (info->vs.as_ls || merged_vs_tcs) {
-
+      if (gfx_level >= GFX12) {
+         ac_add_arg(&args->ac, AC_ARG_VGPR, 1, AC_ARG_INT, &args->ac.instance_id);
+      } else if (info->vs.as_ls || merged_vs_tcs) {
          if (gfx_level >= GFX11) {
             ac_add_arg(&args->ac, AC_ARG_VGPR, 1, AC_ARG_INT, NULL); /* user VGPR */
             ac_add_arg(&args->ac, AC_ARG_VGPR, 1, AC_ARG_INT, NULL); /* user VGPR */